reboot rep

2026-09-23 23:50:16 +00:00 · 2024-02-15 15:29:30 +03:00
parent 2360cb388f
commit 4623603411
25 changed files with 505 additions and 99 deletions
@@ -0,0 +1,32 @@
+/* Лабораторная работа #1 || Вариант 4 || Антипенко */
+
+
+CREATE table countries (
+    id numeric(3) PRIMARY KEY NOT NULL,
+  
+    name_country varchar(64) NOT NULL
+);
+
+CREATE table schedules (
+    id integer PRIMARY KEY,
+  
+    dt_dep timestamp without time zone NOT NULL,
+    dt_arr timestamp without time zone NOT NULL,
+    plс_of_dep varchar(2000) NOT NULL default 'Москва',
+    plc_of_arr varchar(2000) NOT NULL,
+    tpe varchar(9) NOT NULL 
+    CHECK(tpe = 'Скорый' OR tpe = 'Фирменный' OR tpe = 'Обычный'),
+  
+    cnt_stops integer CHECK(cnt_stops > 0),
+  
+    id_oper numeric(3) references countries(id) not null
+);
+
+INSERT into countries VALUES 
+    (321, 'Россия');
+    
+INSERT into schedules VALUES
+    (1, '1999-01-08 04:05:06', '1999-01-08 04:05:06', default, 'СПб', 'Скорый', 40, 321);
+
+SELECT * FROM countries;
+SELECT * FROM schedules;
@@ -0,0 +1,307 @@
+SET DateStyle TO German;
+
+DROP TABLE IF EXISTS JOB_HISTORY;
+DROP TABLE IF EXISTS DEPARTMENTS CASCADE;
+DROP TABLE IF EXISTS EMPLOYEES;
+DROP TABLE IF EXISTS JOBS;
+DROP TABLE IF EXISTS LOCATIONS;
+DROP TABLE IF EXISTS COUNTRIES;
+DROP TABLE IF EXISTS REGIONS;
+
+CREATE TABLE REGIONS
+(
+  region_id integer PRIMARY KEY,
+  region_name varchar(64) NOT NULL UNIQUE
+);
+
+INSERT INTO regions 
+VALUES(1, 'Europe '),
+(2, 'Americas '),
+(3, 'Asia '),
+(4, 'Middle East and Africa ');
+-- DELETE FROM COUNTRIES;
+
+CREATE TABLE COUNTRIES
+(
+  country_id varchar(2) PRIMARY KEY,
+  country_name varchar(64) NOT NULL UNIQUE,
+  region_id integer REFERENCES REGIONS(region_id) NOT NULL
+);
+
+INSERT INTO COUNTRIES VALUES
+('AR', 'Argentina', 2),
+('AU', 'Australia', 3),
+('BE', 'Belgium', 1),
+('BR', 'Brazil', 2),
+('CA', 'Canada', 2),
+('CH', 'Switzerland', 1),
+('CN', 'China', 3),
+('DE', 'Germany', 1),
+('DK', 'Denmark', 1),
+('EG', 'Egypt', 4),
+('FR', 'France', 1),
+('IL', 'Israel', 4),
+('IN', 'India', 3),
+('IT', 'Italy', 1),
+('JP', 'Japan', 3),
+('KW', 'Kuwait', 4),
+('ML', 'Malaysia', 3),
+('MX', 'Mexico', 2),
+('NG', 'Nigeria', 4),
+('NL', 'Netherlands', 1),
+('SG', 'Singapore', 3),
+('UK', 'United Kingdom', 1),
+('US', 'United States of America', 2),
+('ZM', 'Zambia', 4),
+('ZW', 'Zimbabwe', 4);
+-- DELETE FROM LOCATIONS;
+
+CREATE TABLE LOCATIONS
+(
+  location_id integer PRIMARY KEY,
+  street_address varchar(64) NOT NULL,
+  postal_code varchar(16),
+  city varchar(64),
+  state_province varchar(64),
+  country_id varchar(2) REFERENCES COUNTRIES(country_id) NOT NULL
+);
+
+INSERT INTO LOCATIONS VALUES
+(1000, '1297 Via Cola di Rie', '989', 'Roma', '', 'IT'),
+(1100, '93091 Calle della Testa', '10934', 'Venice', '', 'IT'),
+(1200, '2017 Shinjuku-ku', '1689', 'Tokyo', 'Tokyo Prefecture', 'JP'),
+(1300, '9450 Kamiya-cho', '6823', 'Hiroshima', '', 'JP'),
+(1400, '2014 Jabberwocky Rd', '26192', 'Southlake', 'Texas', 'US'),
+(1500, '2011 Interiors Blvd', '99236', 'South San Francisco', 'California', 'US'),
+(1600, '2007 Zagora St', '50090', 'South Brunswick', 'New Jersey', 'US'),
+(1700, '2004 Charade Rd', '98199', 'Seattle', 'Washington', 'US'),
+(1800, '147 Spadina Ave', 'M5V 2L7', 'Toronto', 'Ontario', 'CA'),
+(1900, '6092 Boxwood St', 'YSW 9T2', 'Whitehorse', 'Yukon', 'CA'),
+(2000, '40-5-12 Laogianggen', '190518', 'Beijing', '', 'CN'),
+(2100, '1298 Vileparle (E)', '490231', 'Bombay', 'Maharashtra', 'IN'),
+(2200, '12-98 Victoria Street', '2901', 'Sydney', 'New South Wales', 'AU'),
+(2300, '198 Clementi North', '540198', 'Singapore', '', 'SG'),
+(2400, '8204 Arthur St', '', 'London', '', 'UK'),
+(2500, 'Magdalen Centre, The Oxford Science Park', 'OX9 9ZB', 'Oxford', 'Oxford', 'UK'),
+(2600, '9702 Chester Road', '9629850293', 'Stretford', 'Manchester', 'UK'),
+(2700, 'Schwanthalerstr. 7031', '80925', 'Munich', 'Bavaria', 'DE'),
+(2800, 'Rua Frei Caneca 1360 ', '01307-002', 'Sao Paulo', 'Sao Paulo', 'BR'),
+(2900, '20 Rue des Corps-Saints', '1730', 'Geneva', 'Geneve', 'CH'),
+(3000, 'Murtenstrasse 921', '3095', 'Bern', 'BE', 'CH'),
+(3100, 'Pieter Breughelstraat 837', '3029SK', 'Utrecht', 'Utrecht', 'NL');
+-- DELETE FROM JOBS;
+
+CREATE TABLE JOBS(
+  job_id varchar(16) PRIMARY KEY,
+  job_title varchar(64) NOT NULL UNIQUE,
+  min_salary numeric(8, 2) NOT NULL,
+  max_salary numeric(8, 2) NOT NULL
+);
+
+INSERT INTO jobs VALUES
+('AD_PRES', 'President', 20080, 40000),
+('AD_VP', 'Administration Vice President', 15000, 30000),
+('AD_ASST', 'Administration Assistant', 3000, 6000),
+('FI_MGR', 'Finance Manager', 8200, 16000),
+('FI_ACCOUNT', 'Accountant', 4200, 9000),
+('AC_MGR', 'Accounting Manager', 8200, 16000),
+('AC_ACCOUNT', 'Public Accountant', 4200, 9000),
+('SA_MAN', 'Sales Manager', 10000, 20080),
+('SA_REP', 'Sales Representative', 6000, 12008),
+('PU_MAN', 'Purchasing Manager', 8000, 15000),
+('PU_CLERK', 'Purchasing Clerk', 2500, 5500),
+('ST_MAN', 'Stock Manager', 5500, 8500),
+('ST_CLERK', 'Stock Clerk', 2008, 5000),
+('SH_CLERK', 'Shipping Clerk', 2500, 5500),
+('IT_PROG', 'Programmer', 4000, 10000),
+('MK_MAN', 'Marketing Manager', 9000, 15000),
+('MK_REP', 'Marketing Representative', 4000, 9000),
+('HR_REP', 'Human Resources Representative', 4000, 9000),
+('PR_REP', 'Public Relations Representative', 4500, 10500);
+-- DELETE FROM DEPARTMENTS;
+
+CREATE TABLE EMPLOYEES
+(
+  employee_id integer PRIMARY KEY,
+  first_name varchar(64) NOT NULL,
+  last_name varchar(64) NOT NULL,
+  email varchar(64) NOT NULL UNIQUE,
+  phone_integer varchar(64) NOT NULL,
+  hire_date timestamp NOT NULL,
+  job_id varchar(16) REFERENCES JOBS(job_id),
+  salary numeric(8, 2) NOT NULL,
+  commission_pct numeric(5, 2),
+  manager_id integer REFERENCES EMPLOYEES(employee_id),
+  department_id integer
+);
+
+-- DELETE FROM EMPLOYEES;  
+INSERT INTO employees VALUES(100, 'Steven', 'King', 'SKING', '515.123.4567', '17.06.2003', 'AD_PRES', 24000, NULL, NULL, 90);
+INSERT INTO employees VALUES(101, 'Neena', 'Kochhar', 'NKOCHHAR', '515.123.4568', '21.09.2005', 'AD_VP', 17000, NULL, 100, 90);
+INSERT INTO employees VALUES(102, 'Lex', 'De Haan', 'LDEHAAN', '515.123.4569', '13.01.2001', 'AD_VP', 17000, NULL, 100, 90);
+INSERT INTO employees VALUES(103, 'Alexander', 'Hunold', 'AHUNOLD', '590.423.4567', '03.01.2006', 'IT_PROG', 9000, NULL, 102, 60);
+INSERT INTO employees VALUES(104, 'Bruce', 'Ernst', 'BERNST', '590.423.4568', '21.05.2007', 'IT_PROG', 6000, NULL, 103, 60);
+INSERT INTO employees VALUES(105, 'David', 'Austin', 'DAUSTIN', '590.423.4569', '25.06.2005', 'IT_PROG', 4800, NULL, 103, 60);
+INSERT INTO employees VALUES(106, 'Valli', 'Pataballa', 'VPATABAL', '590.423.4560', '05.02.2006', 'IT_PROG', 4800, NULL, 103, 60);
+INSERT INTO employees VALUES(107, 'Diana', 'Lorentz', 'DLORENTZ', '590.423.5567', '07.02.2007', 'IT_PROG', 4200, NULL, 103, 60);
+INSERT INTO employees VALUES(108, 'Nancy', 'Greenberg', 'NGREENBE', '515.124.4569', '17.08.2002', 'FI_MGR', 12008, NULL, 101, 100);
+INSERT INTO employees VALUES(109, 'Daniel', 'Faviet', 'DFAVIET', '515.124.4169', '16.08.2002', 'FI_ACCOUNT', 9000, NULL, 108, 100);
+INSERT INTO employees VALUES(110, 'John', 'Chen', 'JCHEN', '515.124.4269', '28.09.2005', 'FI_ACCOUNT', 8200, NULL, 108, 100);
+INSERT INTO employees VALUES(111, 'Ismael', 'Sciarra', 'ISCIARRA', '515.124.4369', '30.09.2005', 'FI_ACCOUNT', 7700, NULL, 108, 100);
+INSERT INTO employees VALUES(112, 'Jose Manuel', 'Urman', 'JMURMAN', '515.124.4469', '07.03.2006', 'FI_ACCOUNT', 7800, NULL, 108, 100);
+INSERT INTO employees VALUES(113, 'Luis', 'Popp', 'LPOPP', '515.124.4567', '07.12.2007', 'FI_ACCOUNT', 6900, NULL, 108, 100);
+INSERT INTO employees VALUES(114, 'Den', 'Raphaely', 'DRAPHEAL', '515.127.4561', '07.12.2002', 'PU_MAN', 11000, NULL, 100, 30);
+INSERT INTO employees VALUES(115, 'Alexander', 'Khoo', 'AKHOO', '515.127.4562', '18.05.2003', 'PU_CLERK', 3100, NULL, 114, 30);
+INSERT INTO employees VALUES(116, 'Shelli', 'Baida', 'SBAIDA', '515.127.4563', '24.12.2005', 'PU_CLERK', 2900, NULL, 114, 30);
+INSERT INTO employees VALUES(117, 'Sigal', 'Tobias', 'STOBIAS', '515.127.4564', '24.07.2005', 'PU_CLERK', 2800, NULL, 114, 30);
+INSERT INTO employees VALUES(118, 'Guy', 'Himuro', 'GHIMURO', '515.127.4565', '15.11.2006', 'PU_CLERK', 2600, NULL, 114, 30);
+INSERT INTO employees VALUES(119, 'Karen', 'Colmenares', 'KCOLMENA', '515.127.4566', '10.08.2007', 'PU_CLERK', 2500, NULL, 114, 30);
+INSERT INTO employees VALUES(120, 'Matthew', 'Weiss', 'MWEISS', '650.123.1234', '18.07.2004', 'ST_MAN', 8000, NULL, 100, 50);
+INSERT INTO employees VALUES(121, 'Adam', 'Fripp', 'AFRIPP', '650.123.2234', '10.04.2005', 'ST_MAN', 8200, NULL, 100, 50);
+INSERT INTO employees VALUES(122, 'Payam', 'Kaufling', 'PKAUFLIN', '650.123.3234', '01.05.2003', 'ST_MAN', 7900, NULL, 100, 50);
+INSERT INTO employees VALUES(123, 'Shanta', 'Vollman', 'SVOLLMAN', '650.123.4234', '10.10.2005', 'ST_MAN', 6500, NULL, 100, 50);
+INSERT INTO employees VALUES(124, 'Kevin', 'Mourgos', 'KMOURGOS', '650.123.5234', '16.11.2007', 'ST_MAN', 5800, NULL, 100, 50);
+INSERT INTO employees VALUES(125, 'Julia', 'Nayer', 'JNAYER', '650.124.1214', '16.07.2005', 'ST_CLERK', 3200, NULL, 120, 50);
+INSERT INTO employees VALUES(126, 'Irene', 'Mikkilineni', 'IMIKKILI', '650.124.1224', '28.09.2006', 'ST_CLERK', 2700, NULL, 120, 50);
+INSERT INTO employees VALUES(127, 'James', 'Landry', 'JLANDRY', '650.124.1334', '14.01.2007', 'ST_CLERK', 2400, NULL, 120, 50);
+INSERT INTO employees VALUES(128, 'Steven', 'Markle', 'SMARKLE', '650.124.1434', '08.03.2008', 'ST_CLERK', 2200, NULL, 120, 50);
+INSERT INTO employees VALUES(129, 'Laura', 'Bissot', 'LBISSOT', '650.124.5234', '20.08.2005', 'ST_CLERK', 3300, NULL, 121, 50);
+INSERT INTO employees VALUES(130, 'Mozhe', 'Atkinson', 'MATKINSO', '650.124.6234', '30.10.2005', 'ST_CLERK', 2800, NULL, 121, 50);
+INSERT INTO employees VALUES(131, 'James', 'Marlow', 'JAMRLOW', '650.124.7234', '16.02.2005', 'ST_CLERK', 2500, NULL, 121, 50);
+INSERT INTO employees VALUES(132, 'TJ', 'Olson', 'TJOLSON', '650.124.8234', '10.04.2007', 'ST_CLERK', 2100, NULL, 121, 50);
+INSERT INTO employees VALUES(133, 'Jason', 'Mallin', 'JMALLIN', '650.127.1934', '14.06.2004', 'ST_CLERK', 3300, NULL, 122, 50);
+INSERT INTO employees VALUES(134, 'Michael', 'Rogers', 'MROGERS', '650.127.1834', '26.08.2006', 'ST_CLERK', 2900, NULL, 122, 50);
+INSERT INTO employees VALUES(135, 'Ki', 'Gee', 'KGEE', '650.127.1734', '12.12.2007', 'ST_CLERK', 2400, NULL, 122, 50);
+INSERT INTO employees VALUES(136, 'Hazel', 'Philtanker', 'HPHILTAN', '650.127.1634', '06.02.2008', 'ST_CLERK', 2200, NULL, 122, 50);
+INSERT INTO employees VALUES(137, 'Renske', 'Ladwig', 'RLADWIG', '650.121.1234', '14.07.2003', 'ST_CLERK', 3600, NULL, 123, 50);
+INSERT INTO employees VALUES(138, 'Stephen', 'Stiles', 'SSTILES', '650.121.2034', '26.10.2005', 'ST_CLERK', 3200, NULL, 123, 50);
+INSERT INTO employees VALUES(139, 'John', 'Seo', 'JSEO', '650.121.2019', '12.02.2006', 'ST_CLERK', 2700, NULL, 123, 50);
+INSERT INTO employees VALUES(140, 'Joshua', 'Patel', 'JPATEL', '650.121.1834', '06.04.2006', 'ST_CLERK', 2500, NULL, 123, 50);
+INSERT INTO employees VALUES(141, 'Trenna', 'Rajs', 'TRAJS', '650.121.8009', '17.10.2003', 'ST_CLERK', 3500, NULL, 124, 50);
+INSERT INTO employees VALUES(142, 'Curtis', 'Davies', 'CDAVIES', '650.121.2994', '29.01.2005', 'ST_CLERK', 3100, NULL, 124, 50);
+INSERT INTO employees VALUES(143, 'Randall', 'Matos', 'RMATOS', '650.121.2874', '15.03.2006', 'ST_CLERK', 2600, NULL, 124, 50);
+INSERT INTO employees VALUES(144, 'Peter', 'Vargas', 'PVARGAS', '650.121.2004', '09.07.2006', 'ST_CLERK', 2500, NULL, 124, 50);
+INSERT INTO employees VALUES(145, 'John', 'Russell', 'JRUSSEL', '011.44.1344.429268', '01.10.2004', 'SA_MAN', 14000, '0.4', 100, 80);
+INSERT INTO employees VALUES(146, 'Karen', 'Partners', 'KPARTNER', '011.44.1344.467268', '05.01.2005', 'SA_MAN', 13500, '0.3', 100, 80);
+INSERT INTO employees VALUES(147, 'Alberto', 'Errazuriz', 'AERRAZUR', '011.44.1344.429278', '10.03.2005', 'SA_MAN', 12000, '0.3', 100, 80);
+INSERT INTO employees VALUES(148, 'Gerald', 'Cambrault', 'GCAMBRAU', '011.44.1344.619268', '15.10.2007', 'SA_MAN', 11000, '0.3', 100, 80);
+INSERT INTO employees VALUES(149, 'Eleni', 'Zlotkey', 'EZLOTKEY', '011.44.1344.429018', '29.01.2008', 'SA_MAN', 10500, '0.2', 100, 80);
+INSERT INTO employees VALUES(150, 'Peter', 'Tucker', 'PTUCKER', '011.44.1344.129268', '30.01.2005', 'SA_REP', 10000, '0.3', 145, 80);
+INSERT INTO employees VALUES(151, 'David', 'Bernstein', 'DBERNSTE', '011.44.1344.345268', '24.03.2005', 'SA_REP', 9500, '0.25', 145, 80);
+INSERT INTO employees VALUES(152, 'Peter', 'Hall', 'PHALL', '011.44.1344.478968', '20.08.2005', 'SA_REP', 9000, '0.25', 145, 80);
+INSERT INTO employees VALUES(153, 'Christopher', 'Olsen', 'COLSEN', '011.44.1344.498718', '30.03.2006', 'SA_REP', 8000, '0.2', 145, 80);
+INSERT INTO employees VALUES(154, 'Nanette', 'Cambrault', 'NCAMBRAU', '011.44.1344.987668', '09.12.2006', 'SA_REP', 7500, '0.2', 145, 80);
+INSERT INTO employees VALUES(155, 'Oliver', 'Tuvault', 'OTUVAULT', '011.44.1344.486508', '23.11.2007', 'SA_REP', 7000, '0.15', 145, 80);
+INSERT INTO employees VALUES(156, 'Janette', 'King', 'JKING', '011.44.1345.429268', '30.01.2004', 'SA_REP', 10000, '0.35', 146, 80);
+INSERT INTO employees VALUES(157, 'Patrick', 'Sully', 'PSULLY', '011.44.1345.929268', '04.03.2004', 'SA_REP', 9500, '0.35', 146, 80);
+INSERT INTO employees VALUES(158, 'Allan', 'McEwen', 'AMCEWEN', '011.44.1345.829268', '01.08.2004', 'SA_REP', 9000, '0.35', 146, 80);
+INSERT INTO employees VALUES(159, 'Lindsey', 'Smith', 'LSMITH', '011.44.1345.729268', '10.03.2005', 'SA_REP', 8000, '0.3', 146, 80);
+INSERT INTO employees VALUES(160, 'Louise', 'Doran', 'LDORAN', '011.44.1345.629268', '15.12.2005', 'SA_REP', 7500, '0.3', 146, 80);
+INSERT INTO employees VALUES(161, 'Sarath', 'Sewall', 'SSEWALL', '011.44.1345.529268', '03.11.2006', 'SA_REP', 7000, '0.25', 146, 80);
+INSERT INTO employees VALUES(162, 'Clara', 'Vishney', 'CVISHNEY', '011.44.1346.129268', '11.11.2005', 'SA_REP', 10500, '0.25', 147, 80);
+INSERT INTO employees VALUES(163, 'Danielle', 'Greene', 'DGREENE', '011.44.1346.229268', '19.03.2007', 'SA_REP', 9500, '0.15', 147, 80);
+INSERT INTO employees VALUES(164, 'Mattea', 'Marvins', 'MMARVINS', '011.44.1346.329268', '24.01.2008', 'SA_REP', 7200, '0.1', 147, 80);
+INSERT INTO employees VALUES(165, 'David', 'Lee', 'DLEE', '011.44.1346.529268', '23.02.2008', 'SA_REP', 6800, '0.1', 147, 80);
+INSERT INTO employees VALUES(166, 'Sundar', 'Ande', 'SANDE', '011.44.1346.629268', '24.03.2008', 'SA_REP', 6400, '0.1', 147, 80);
+INSERT INTO employees VALUES(167, 'Amit', 'Banda', 'ABANDA', '011.44.1346.729268', '21.04.2008', 'SA_REP', 6200, '0.1', 147, 80);
+INSERT INTO employees VALUES(168, 'Lisa', 'Ozer', 'LOZER', '011.44.1343.929268', '11.03.2005', 'SA_REP', 11500, '0.25', 148, 80);
+INSERT INTO employees VALUES(169, 'Harrison', 'Bloom', 'HBLOOM', '011.44.1343.829268', '23.03.2006', 'SA_REP', 10000, '0.2', 148, 80);
+INSERT INTO employees VALUES(170, 'Tayler', 'Fox', 'TFOX', '011.44.1343.729268', '24.01.2006', 'SA_REP', 9600, '0.2', 148, 80);
+INSERT INTO employees VALUES(171, 'William', 'Smith', 'WSMITH', '011.44.1343.629268', '23.02.2007', 'SA_REP', 7400, '0.15', 148, 80);
+INSERT INTO employees VALUES(172, 'Elizabeth', 'Bates', 'EBATES', '011.44.1343.529268', '24.03.2007', 'SA_REP', 7300, '0.15', 148, 80);
+INSERT INTO employees VALUES(173, 'Sundita', 'Kumar', 'SKUMAR', '011.44.1343.329268', '21.04.2008', 'SA_REP', 6100, '0.1', 148, 80);
+INSERT INTO employees VALUES(174, 'Ellen', 'Abel', 'EABEL', '011.44.1644.429267', '11.05.2004', 'SA_REP', 11000, '0.3', 149, 80);
+INSERT INTO employees VALUES(175, 'Alyssa', 'Hutton', 'AHUTTON', '011.44.1644.429266', '19.03.2005', 'SA_REP', 8800, '0.25', 149, 80);
+INSERT INTO employees VALUES(176, 'Jonathon', 'Taylor', 'JTAYLOR', '011.44.1644.429265', '24.03.2006', 'SA_REP', 8600, '0.2', 149, 80);
+INSERT INTO employees VALUES(177, 'Jack', 'Livingston', 'JLIVINGS', '011.44.1644.429264', '23.04.2006', 'SA_REP', 8400, '0.2', 149, 80);
+INSERT INTO employees VALUES(178, 'Kimberely', 'Grant', 'KGRANT', '011.44.1644.429263', '24.05.2007', 'SA_REP', 7000, '0.15', 149, NULL);
+INSERT INTO employees VALUES(179, 'Charles', 'Johnson', 'CJOHNSON', '011.44.1644.429262', '04.01.2008', 'SA_REP', 6200, '0.1', 149, 80);
+INSERT INTO employees VALUES(180, 'Winston', 'Taylor', 'WTAYLOR', '650.507.9876', '24.01.2006', 'SH_CLERK', 3200, NULL, 120, 50);
+INSERT INTO employees VALUES(181, 'Jean', 'Fleaur', 'JFLEAUR', '650.507.9877', '23.02.2006', 'SH_CLERK', 3100, NULL, 120, 50);
+INSERT INTO employees VALUES(182, 'Martha', 'Sullivan', 'MSULLIVA', '650.507.9878', '21.06.2007', 'SH_CLERK', 2500, NULL, 120, 50);
+INSERT INTO employees VALUES(183, 'Girard', 'Geoni', 'GGEONI', '650.507.9879', '03.02.2008', 'SH_CLERK', 2800, NULL, 120, 50);
+INSERT INTO employees VALUES(184, 'Nandita', 'Sarchand', 'NSARCHAN', '650.509.1876', '27.01.2004', 'SH_CLERK', 4200, NULL, 121, 50);
+INSERT INTO employees VALUES(185, 'Alexis', 'Bull', 'ABULL', '650.509.2876', '20.02.2005', 'SH_CLERK', 4100, NULL, 121, 50);
+INSERT INTO employees VALUES(186, 'Julia', 'Dellinger', 'JDELLING', '650.509.3876', '24.06.2006', 'SH_CLERK', 3400, NULL, 121, 50);
+INSERT INTO employees VALUES(187, 'Anthony', 'Cabrio', 'ACABRIO', '650.509.4876', '07.02.2007', 'SH_CLERK', 3000, NULL, 121, 50);
+INSERT INTO employees VALUES(188, 'Kelly', 'Chung', 'KCHUNG', '650.505.1876', '14.06.2005', 'SH_CLERK', 3800, NULL, 122, 50);
+INSERT INTO employees VALUES(189, 'Jennifer', 'Dilly', 'JDILLY', '650.505.2876', '13.08.2005', 'SH_CLERK', 3600, NULL, 122, 50);
+INSERT INTO employees VALUES(190, 'Timothy', 'Gates', 'TGATES', '650.505.3876', '11.07.2006', 'SH_CLERK', 2900, NULL, 122, 50);
+INSERT INTO employees VALUES(191, 'Randall', 'Perkins', 'RPERKINS', '650.505.4876', '19.12.2007', 'SH_CLERK', 2500, NULL, 122, 50);
+INSERT INTO employees VALUES(192, 'Sarah', 'Bell', 'SBELL', '650.501.1876', '04.02.2004', 'SH_CLERK', 4000, NULL, 123, 50);
+INSERT INTO employees VALUES(193, 'Britney', 'Everett', 'BEVERETT', '650.501.2876', '03.03.2005', 'SH_CLERK', 3900, NULL, 123, 50);
+INSERT INTO employees VALUES(194, 'Samuel', 'McCain', 'SMCCAIN', '650.501.3876', '01.07.2006', 'SH_CLERK', 3200, NULL, 123, 50);
+INSERT INTO employees VALUES(195, 'Vance', 'Jones', 'VJONES', '650.501.4876', '17.03.2007', 'SH_CLERK', 2800, NULL, 123, 50);
+INSERT INTO employees VALUES(196, 'Alana', 'Walsh', 'AWALSH', '650.507.9811', '24.04.2006', 'SH_CLERK', 3100, NULL, 124, 50);
+INSERT INTO employees VALUES(197, 'Kevin', 'Feeney', 'KFEENEY', '650.507.9822', '23.05.2006', 'SH_CLERK', 3000, NULL, 124, 50);
+INSERT INTO employees VALUES(198, 'Donald', 'OConnell', 'DOCONNEL', '650.507.9833', '21.06.2007', 'SH_CLERK', 2600, NULL, 124, 50);
+INSERT INTO employees VALUES(199, 'Douglas', 'Grant', 'DGRANT', '650.507.9844', '13.01.2008', 'SH_CLERK', 2600, NULL, 124, 50);
+INSERT INTO employees VALUES(200, 'Jennifer', 'Whalen', 'JWHALEN', '515.123.4444', '17.09.2003', 'AD_ASST', 4400, NULL, 101, 10);
+INSERT INTO employees VALUES(201, 'Michael', 'Hartstein', 'MHARTSTE', '515.123.5555', '17.02.2004', 'MK_MAN', 13000, NULL, 100, 20);
+INSERT INTO employees VALUES(202, 'Pat', 'Fay', 'PFAY', '603.123.6666', '17.08.2005', 'MK_REP', 6000, NULL, 201, 20);
+INSERT INTO employees VALUES(203, 'Susan', 'Mavris', 'SMAVRIS', '515.123.7777', '07.06.2002', 'HR_REP', 6500, NULL, 101, 40);
+INSERT INTO employees VALUES(204, 'Hermann', 'Baer', 'HBAER', '515.123.8888', '07.06.2002', 'PR_REP', 10000, NULL, 101, 70);
+INSERT INTO employees VALUES(205, 'Shelley', 'Higgins', 'SHIGGINS', '515.123.8080', '07.06.2002', 'AC_MGR', 12008, NULL, 101, 110);
+INSERT INTO employees VALUES(206, 'William', 'Gietz', 'WGIETZ', '515.123.8181', '07.06.2002', 'AC_ACCOUNT', 8300, NULL, 205, 110);
+
+CREATE TABLE DEPARTMENTS
+(
+  department_id integer PRIMARY KEY,
+  department_name varchar(64) NOT NULL UNIQUE,
+  manager_id integer REFERENCES EMPLOYEES(employee_id),
+  location_id integer REFERENCES LOCATIONS(location_id)  
+);
+
+INSERT INTO departments VALUES
+(10, 'Administration', 200, 1700),
+(20, 'Marketing', 201, 1800),
+(30, 'Purchasing', 114, 1700),
+(40, 'Human Resources', 203, 2400),
+(50, 'Shipping', 121, 1500),
+(60, 'IT', 103, 1400),
+(70, 'Public Relations', 204, 2700),
+(80, 'Sales', 145, 2500),
+(90, 'Executive', 100, 1700),
+(100, 'Finance', 108, 1700),
+(110, 'Accounting', 205, 1700),
+(120, 'Treasury', NULL, 1700),
+(130, 'Corporate Tax', NULL, 1700),
+(140, 'Control And Credit', NULL, 1700),
+(150, 'Shareholder Services', NULL, 1700),
+(160, 'Benefits', NULL, 1700),
+(170, 'Manufacturing', NULL, 1700),
+(180, 'Construction', NULL, 1700),
+(190, 'Contracting', NULL, 1700),
+(200, 'Operations', NULL, 1700),
+(210, 'IT Support', NULL, 1700),
+(220, 'NOC', NULL, 1700),
+(230, 'IT Helpdesk', NULL, 1700),
+(240, 'Government Sales', NULL, 1700),
+(250, 'Retail Sales', NULL, 1700),
+(260, 'Recruiting', NULL, 1700),
+(270, 'Payroll', NULL, 1700);
+
+ALTER TABLE EMPLOYEES ADD CONSTRAINT DE FOREIGN KEY(department_id) 
+  REFERENCES DEPARTMENTS(department_id);
+  
+CREATE TABLE JOB_HISTORY
+(
+  employee_id integer REFERENCES EMPLOYEES(employee_id),
+  start_date timestamp,
+  PRIMARY KEY(employee_id, start_date),
+  end_date timestamp,
+  job_id varchar(16) REFERENCES JOBS(job_id) NOT NULL,
+  department_id integer REFERENCES DEPARTMENTS(department_id) NOT NULL
+);
+
+INSERT INTO job_history VALUES
+(102, '13.01.2001', '24.07.2006', 'IT_PROG', 60),
+(101, '21.09.1997', '27.10.2001', 'AC_ACCOUNT', 110),
+(101, '28.10.2001', '15.03.2005', 'AC_MGR', 110),
+(201, '17.02.2004', '19.12.2007', 'MK_REP', 20),
+(114, '24.03.2006', '31.12.2007', 'ST_CLERK', 50),
+(122, '01.01.2007', '31.12.2007', 'ST_CLERK', 50),
+(200, '17.09.1995', '17.06.2001', 'AD_ASST', 90),
+(176, '24.03.2006', '31.12.2006', 'SA_REP', 80),
+(176, '01.01.2007', '31.12.2007', 'SA_MAN', 80),
+(200, '01.07.2002', '31.12.2006', 'AC_ACCOUNT', 90);
@@ -0,0 +1,21 @@
+/* Лабораторная работа #2 || Вариант 1 || Гаранян, Епифанов */
+
+SELECT 
+	((30*20)/10)+(20*10) AS "X";
+
+SELECT * 
+FROM locations 
+WHERE postal_code IS NOT NULL;
+
+
+SELECT first_name AS "Имя", last_name AS "Фамилия",
+	   left(upper(first_name), 3) || left(upper(last_name), 2) AS "Идентификатор"
+FROM employees;
+
+
+SELECT  
+	job_id AS "Должность", max(salary) AS "Максимальная зарплата",
+	min(salary) AS "Минимальная зарплата", 
+	to_char(avg(salary), '99999.00') AS "Средняя зарплата"
+FROM employees
+GROUP BY job_id;
@@ -0,0 +1,43 @@
+/* Лабораторная работа #2 || Вариант 2 || Антипенко, Дробышевский */
+
+/* Задание 1 */
+SELECT 
+    (first_name || ' ' || last_name) AS "ФИО",
+    to_char(salary, '9999999D99') AS "ОКЛАД",
+    trunc(salary*0.87) AS "Оклад минус подоходный"
+FROM employees;
+
+/* Задание 2 */
+SELECT 
+    first_name AS "Имя",
+    last_name AS "Фамилия",
+    job_id AS "Должность", 
+    to_char(hire_date, 'DD.MM.YYYY') AS "Дата приема на работу"
+FROM employees
+WHERE job_id IN ('AD_PRES', 'AD_VP', 'AD_ASST')
+OR hire_date BETWEEN
+'1995-01-01' AND '2023-01-01'
+LIMIT 5;
+
+/* Задание 3 */
+SELECT 
+	first_name AS "Имя",
+	last_name AS "Фамилия",
+	to_char(salary, '99999D99') AS "Оклад", 
+	to_char(hire_date, 'DD.MM.YYYY') AS "Дата приема на работу",
+	
+	EXTRACT(month from age(now(), hire_date)) 
+	+ EXTRACT(year from age(now(), hire_date))*12
+	as "Проработано месяцев"
+
+FROM employees;
+
+/* Задание 4 */
+SELECT 
+	job_id AS "Должность",
+	trunc(MAX(salary)) AS "Максимальная зарплата",
+	trunc(MIN(salary)) AS "Минимальная зарплата",
+	trunc(AVG(salary), 2) AS "Средняя зарплата" 
+
+FROM employees 
+GROUP BY job_id;
@@ -0,0 +1,63 @@
+/* Лабораторная работа №3 | Вариант 4 | Антипенко, Дробышевский */
+
+SELECT * FROM departments;
+SELECT * FROM employees;
+SELECT * FROM jobs;
+
+/* Задание 1 */
+SELECT 
+	e.first_name AS "FIRST_NAME",
+	e.last_name AS "LAST_NAME", 
+	d.department_name AS "DEPARTMENT_NAME"
+FROM employees e, departments d
+WHERE e.department_id = d.department_id AND d.department_name IN ('IT', 'Sales');
+
+/* Задание 2 */
+SELECT 
+	e.first_name AS "FIRST_NAME",
+	e.last_name AS "LAST_NAME", 
+	trunc(e.salary) AS "SALARY",
+	d.department_name AS "DEPARTMENT_NAME",
+	j.job_title AS "JOB_TITLE"
+FROM employees e, jobs j, departments d
+WHERE e.department_id = d.department_id AND e.job_id = j.job_id
+AND e.salary > 10000
+ORDER BY e.salary ASC;
+
+/* Задание 3 */
+SELECT
+	e.first_name AS "Имя",
+	e.last_name AS "Фамилия", 
+	to_char(e.salary, '99999D99') AS "Оклад",
+	trunc(j.min_salary) AS "Мин.оклад"
+FROM employees e, jobs j
+WHERE e.job_id = j.job_id AND j.min_salary*1.2 >= e.salary;
+
+/* Задание 4 */
+SELECT
+	last_name AS "Фамилия_Р",
+	first_name AS "Имя",
+	to_char(salary, '99999D99') AS "Оклад"
+FROM employees
+WHERE salary > (
+	SELECT
+		AVG(salary)
+	FROM employees
+)
+ORDER BY salary ASC;
+
+/* Задание 5 */
+SELECT 
+	e.first_name AS "Имя",
+    e.last_name AS "Фамилия",
+    e.job_id AS "Должность",
+	to_char(e.salary, '999999D99') AS "Оклад"
+FROM employees e
+/*WHERE e.job_id = j.job_id AND e.salary = j.max_salary*/
+WHERE e.salary, e.job_id IN (
+	SELECT 
+		max_salary,
+		job_id
+	FROM jobs
+);
+	 
@@ -0,0 +1,37 @@
+CREATE table staff(
+	id integer primary key,
+	name varchar(64) NOT NULL,
+	department varchar(64) NOT NULL
+);
+
+CREATE SEQUENCE staff_id_seq
+	START WITH 12
+	CYCLE
+	INCREMENT BY 8
+	CACHE 100;
+	
+
+INSERT INTO staff VALUES
+	(nextval('staff_id_seq'), 'Ivan Makarenko', 'Director');
+	
+INSERT INTO staff
+	(SELECT nextval('staff_id_seq'), last_name, department_name
+	 FROM employees e JOIN departments d ON e.department_id = d.department_id);
+	 
+UPDATE staff SET department = 'Innovations department'
+	WHERE id < 40;
+	
+DELETE FROM staff 
+	WHERE name ILIKE('%K%');
+	
+WITH RECURSIVE tmp AS (
+  SELECT employee_id, first_name, last_name, manager_id, 1 AS level
+  FROM employees
+  WHERE manager_id = 100
+  UNION ALL
+  SELECT e.employee_id, e.first_name, e.last_name, e.manager_id, t.level + 1
+  FROM employees e
+  JOIN tmp t ON e.manager_id = t.employee_id
+)
+SELECT first_name, last_name
+FROM tmp;
@@ -0,0 +1,42 @@
+SELECT * 
+FROM bd_employees 
+WHERE last_name ~ '^[a-zA-Z]+[-[a-zA-Z]]{0,}';
+
+SELECT * 
+FROM bd_employees
+WHERE department_id IN (
+	SELECT id
+	FROM bd_departments
+	WHERE street ~ '^[A-Za-z\s]+$'
+);
+
+
+SELECT last_name, 
+       CASE WHEN phone_number LIKE '+7%' 
+	   THEN CONCAT('8', SUBSTRING(phone_number, 3)) 
+	   ELSE phone_number END AS phone 
+FROM bd_employees;
+
+UPDATE staff 
+SET department = (SELECT department_name FROM departments WHERE department_id = 60) 
+WHERE department in (
+	SELECT department_name
+	FROM departments
+	WHERE department_id in (
+		SELECT department_id
+		FROM employees
+		WHERE manager_id = (
+			SELECT employee_id 
+			FROM employees
+			WHERE first_name = 'Neena' AND last_name= 'Kochhar')));
+	
+SELECT *
+FROM bd_employees
+WHERE LENGTH(REGEXP_REPLACE(first_name, '[^aeiouAEIOU]', '', 'g')) <= 3;
+
+WITH tmp AS (
+	SELECT chr(i+96), i FROM generate_series(1,26) i)
+SELECT e.last_name sum(t.i) AS name_sum
+FROM db_employees e
+JOIN tmp t ON t.chr = ANY(string_to_array(LOWER(e.last_name), NULL))
+GROUP BY e.last_name;
@@ -0,0 +1,47 @@
+DROP TABLE IF EXISTS bd6_departments;
+DROP TABLE IF EXISTS bd6_employees;
+
+
+CREATE TABLE bd6_departments(
+  id integer PRIMARY KEY,
+  name varchar(64),
+  postal_code varchar(6),
+  street varchar(64),
+  building varchar(16),
+  city varchar(32)
+);
+
+INSERT INTO bd6_departments 
+VALUES(10, 'Administration', '109658', 'Leningradskoe shosse', '1', 'Moscow'),
+(20, 'Marketing', '107701', 'Lenina', '22a', 'Volgograd'),
+(30, 'Purchasing', '109901', 'Mikluho-Maklaya', '8', 'Bryansk'),
+(40, 'Human Resources', '10967', '5-ya parkovaya', '16', 'Moscow'),
+(50, 'Shipping', '109659', '38 Bakinskih komissarov', '77', 'Moscow'),
+(60, 'IT', '109902', 'Pervomajskaya', '33', 'Kirov');
+
+CREATE TABLE bd6_employees(
+  id integer PRIMARY KEY,
+  last_name varchar(64) NOT NULL,
+  first_name varchar(64) NOT NULL,
+  phone_number varchar(18),
+  email varchar(32),
+  department_id integer NOT NULL,
+  manager_id integer,
+  salary_in_euro numeric(8, 2)  DEFAULT 0 NOT NULL,
+  UNIQUE(last_name, first_name, department_id)
+);
+
+
+INSERT INTO bd6_employees VALUES(1, 'Radygin', 'Victor', '8-(495)-567-7788', 'vr@e.mail.mephi.ru', 10, NULL, 8000),
+(2, 'Kuprijanov', 'Dmitrij', '8-(495)-567-7794', 'kd@e.mail.mephi.ru', 60, 1, 6534.33),
+(3, 'Ivanov-Skladovskij', 'Ivan', '8-(495)-567-7799', 'ii1@mail.mephi.ru', 20, 1, 4404.14),
+(4, 'Petrov', 'Petr', '8-(495)-567-7794', 'petrovpetr@m.gmail.ru', 60, 2, 3456.43),
+(5, 'kozlov', 'Konstantin', '8-(495)-567-7794', 'kkozlov@mephi.ru', 60, 2, 2300),
+(6, 'Abramov', 'Abram', '8-(495)-567-7794', 'abramova@k75.mephi.ru', 60, 2, 2200.11),
+(7, 'IvanovпїЅ-SkladovskпїЅya-Petrova', 'Ivanka', '8-(495)-567-7794', 'ii2@mail.mephi.ru', 60, 4, 3756.33),
+(8, 'Petrov', 'Ivan', '8-(495)-567-7799', 'petrovivan@m.gmail.ru', 20, 3, 4850),
+(9, 'kozlov', 'Ivan', '8-(495)-567-7799', 'ikozlov@mephi.ru', 20, 3, 3460),
+(10, 'Abramov', 'Moisej', '8-(495)-567-7794', 'abramovm@k75.mephi.ru', 60, 4, 2345),
+(11, 'Petrov', 'Alex', '8-(495)-567-7799', 'petroval@m.gmail.ru', 20, 3, 2465),
+(12, 'kozlov', 'Maxim', '8-(495)-567-7799', 'mkozlov@mephi.ru', 20, 3, 2788),
+(13, 'Abramov', 'Isyaslav', '8-(495)-567-7738', 'abramovi@k75.mephi.ru', 30, 1, 6500);
@@ -0,0 +1,163 @@
+DROP TABLE IF EXISTS bd6_employees;
+
+CREATE TABLE bd6_departments(
+  id integer PRIMARY KEY,
+  name varchar(64),
+  postal_code varchar(6),
+  street varchar(64),
+  building varchar(16),
+  city varchar(32)
+);
+CREATE TABLE
+    bd6_employees (
+        id integer PRIMARY KEY,
+        last_name varchar(64) NOT NULL,
+        first_name varchar(64) NOT NULL,
+        phone_number varchar(18),
+        email varchar(32),
+        department_id integer REFERENCES bd6_departments (id) NOT NULL,
+        manager_id integer REFERENCES bd6_employees (id),
+        salary_in_euro numeric(8, 2) DEFAULT 0 NOT NULL,
+        UNIQUE (last_name, first_name, department_id)
+    );
+
+INSERT INTO bd6_departments 
+VALUES(10, 'Administration', '109658', 'Leningradskoe shosse', '1', 'Moscow'),
+(20, 'Marketing', '107701', 'Lenina', '22a', 'Volgograd'),
+(30, 'Purchasing', '109901', 'Mikluho-Maklaya', '8', 'Bryansk'),
+(40, 'Human Resources', '10967', '5-ya parkovaya', '16', 'Moscow'),
+(50, 'Shipping', '109659', '38 Bakinskih komissarov', '77', 'Moscow'),
+(60, 'IT', '109902', 'Pervomajskaya', '33', 'Kirov');
+INSERT INTO
+    bd6_employees
+VALUES
+    (
+        1,
+        'Radygin',
+        'Victor',
+        '8-(495)-567-7788',
+        'vr@e.mail.mephi.ru',
+        10,
+        NULL,
+        8000
+    ),
+    (
+        2,
+        'Kuprijanov',
+        'Dmitrij',
+        '8-(495)-567-7794',
+        'kd@e.mail.mephi.ru',
+        60,
+        1,
+        6534.33
+    ),
+    (
+        3,
+        'Ivanov-Skladovskij',
+        'Ivan',
+        '8-(495)-567-7799',
+        'ii1@mail.mephi.ru',
+        20,
+        1,
+        4404.14
+    ),
+    (
+        4,
+        'Petrov',
+        'Petr',
+        '8-(495)-567-7794',
+        'petrovpetr@m.gmail.ru',
+        60,
+        2,
+        3456.43
+    ),
+    (
+        5,
+        'kozlov',
+        'Konstantin',
+        '8-(495)-567-7794',
+        'kkozlov@mephi.ru',
+        60,
+        2,
+        2300
+    ),
+    (
+        6,
+        'Abramov',
+        'Abram',
+        '8-(495)-567-7794',
+        'abramova@k75.mephi.ru',
+        60,
+        2,
+        2200.11
+    ),
+    (
+        7,
+        'IvanovпїЅ-SkladovskпїЅya-Petrova',
+        'Ivanka',
+        '8-(495)-567-7794',
+        'ii2@mail.mephi.ru',
+        60,
+        4,
+        3756.33
+    ),
+    (
+        8,
+        'Petrov',
+        'Ivan',
+        '8-(495)-567-7799',
+        'petrovivan@m.gmail.ru',
+        20,
+        3,
+        4850
+    ),
+    (
+        9,
+        'kozlov',
+        'Ivan',
+        '8-(495)-567-7799',
+        'ikozlov@mephi.ru',
+        20,
+        3,
+        3460
+    ),
+    (
+        10,
+        'Abramov',
+        'Moisej',
+        '8-(495)-567-7794',
+        'abramovm@k75.mephi.ru',
+        60,
+        4,
+        2345
+    ),
+    (
+        11,
+        'Petrov',
+        'Alex',
+        '8-(495)-567-7799',
+        'petroval@m.gmail.ru',
+        20,
+        3,
+        2465
+    ),
+    (
+        12,
+        'kozlov',
+        'Maxim',
+        '8-(495)-567-7799',
+        'mkozlov@mephi.ru',
+        20,
+        3,
+        2788
+    ),
+    (
+        13,
+        'Abramov',
+        'Isyaslav',
+        '8-(495)-567-7738',
+        'abramovi@k75.mephi.ru',
+        30,
+        1,
+        6500
+    );
@@ -0,0 +1,49 @@
+CREATE OR REPLACE PROCEDURE update_salary() AS $$
+DECLARE
+   emp_record bd6_employees%ROWTYPE;
+   counter integer := 0;
+   min_salary bd6_employees.salary_in_euro%TYPE;
+   max_salary bd6_employees.salary_in_euro%TYPE;
+BEGIN
+  -- SELECT MIN(salary_in_euro), MAX(salary_in_euro) INTO min_salary, max_salary FROM bd6_employees;
+   
+   FOR emp_record IN
+   SELECT * FROM (SELECT * FROM bd6_employees ORDER BY salary_in_euro LIMIT 3) AS min_salaries
+   LOOP
+      DELETE FROM bd6_employees WHERE id = emp_record.id;
+      counter := counter + 1;
+   END LOOP;
+   FOR emp_record IN
+   SELECT * FROM (SELECT * FROM bd6_employees ORDER BY salary_in_euro DESC LIMIT 3) AS max_salaries
+   LOOP
+      UPDATE bd6_employees SET salary_in_euro = salary_in_euro + min_salary WHERE id = emp_record.id;
+      counter := counter + 1;
+   END LOOP;
+   
+   RAISE NOTICE 'Successfully updated % bd6_employees.', counter;
+END $$ LANGUAGE plpgsql;
+CALL update_salary();
+
+CREATE OR REPLACE PROCEDURE update_and_delete_salaries() AS $$
+BEGIN
+    -- Увеличение заработной платы
+    WITH lowest_salaries AS (
+        SELECT id, salary_in_euro
+        FROM bd6_employees
+        ORDER BY salary_in_euro
+        LIMIT 10
+    ), highest_salary AS (
+        SELECT max(salary_in_euro) AS max_salary 
+        FROM bd6_employees
+    )
+    UPDATE bd6_employees e
+    SET salary_in_euro = e.salary_in_euro + ls.salary_in_euro - (SELECT max_salary FROM highest_salary)
+    FROM lowest_salaries ls
+    WHERE e.id = ls.id;
+
+    -- Удаление сотрудников
+    DELETE FROM bd6_employees WHERE id IN (SELECT id FROM lowest_salaries);
+
+    RAISE NOTICE 'Salaries updated and lowest paid bd6_employees deleted.';
+END;
+$$ LANGUAGE plpgsql;
@@ -0,0 +1,450 @@
+/* Вариант 1 || Работа 6 || Антипенко, Дробышевский */
+
+
+-- Task 1 -- 
+/* a) Напишите запрос, используя конструкцию WITH, выбирающий
+рекурсивно сотрудника с идентификатором 1 и все его подчинённых,
+как прямых, так и подчинённых более низкого ранга*.
+b) Напишите программу на языке PL/SQL, печатающую на экран фамилию
+и имя сотрудника с идентификатором 1 и всех его подчинённых, как
+прямых, так и подчинённых более низкого ранга. */
+
+-- Пункт а)
+WITH RECURSIVE tmp AS (
+
+  SELECT id, first_name, last_name, manager_id, 1 AS level
+  FROM bd6_employees
+  WHERE id = 1
+  UNION all
+  SELECT e.id, e.first_name, e.last_name, e.manager_id, t.level + 1
+  FROM bd6_employees e
+  JOIN tmp t ON e.manager_id = t.id 
+)
+SELECT * 
+FROM tmp
+;
+
+-- Пункт б)
+CREATE OR REPLACE PROCEDURE depa(integer) AS $$
+DECLARE 
+	d_attrs RECORD;
+	i integer;
+	l integer;
+BEGIN
+FOR d_attrs IN 
+	(
+	SELECT id,last_name, first_name, manager_id
+	FROM bd6_employees 
+	ORDER BY manager_id
+	)   
+	LOOP
+	IF d_attrs.manager_id=$1 THEN
+	 	RAISE INFO ' % % % % ', d_attrs.first_name, d_attrs.last_name, d_attrs.id, d_attrs.manager_id;   
+		l:= d_attrs.id;
+    	CALL depa(l); 
+	END IF;
+	END LOOP; 
+END $$ LANGUAGE plpgsql; 
+
+CREATE OR REPLACE PROCEDURE dep(integer) AS $$
+DECLARE
+	d_attrs RECORD;
+	BEGIN
+	FOR d_attrs IN 
+	(
+	SELECT 
+		id,
+		last_name, 
+		first_name, 
+		manager_id   
+	FROM bd6_employees 
+	ORDER BY manager_id
+	)
+      
+	LOOP   
+	IF d_attrs.id=$1 THEN   
+	RAISE INFO ' % % % % ', d_attrs.first_name, d_attrs.last_name, d_attrs.id, d_attrs.manager_id;
+    END IF;
+	END LOOP; 
+CALL depa($1);
+END $$ LANGUAGE plpgsql; 
+CALL dep(1);   
+
+-- Task 2 --
+/* Напишите программу на языке PL/SQL, выбирающую строки из таблицы
+employees в порядке возрастания заработной платы (salary) и печатающие на
+экран следующие данные: фамилия, имя, модифицированная заработная
+плата. Модифицированная заработная плата получается следующим
+образом: у первого по порядку сотрудника она округляется до сотен в
+меньшую сторону, а у всех последующих сотрудников она сначала
+увеличивается на остаток от округления, полученный от предыдущего
+сотрудника, а затем округляется до сотен в меньшую сторону. */ 
+
+UPDATE bd6_employees SET salary_in_euro = 299 WHERE id = 3;
+
+CREATE OR REPLACE PROCEDURE print_employees() AS $$
+DECLARE
+current_salary INTEGER;
+m_salary INTEGER;
+mod_salary INTEGER := 0;
+employee_rec RECORD;
+BEGIN
+FOR employee_rec IN 
+	(
+   SELECT last_name, first_name, salary_in_euro 
+   FROM bd6_employees 
+   ORDER BY salary_in_euro
+	) 
+
+LOOP
+	current_salary := employee_rec.salary_in_euro;
+	
+	m_salary := ((current_salary + mod_salary) / 100) * 100;
+
+RAISE NOTICE 'Employee: % % || Modified Salary: %', employee_rec.last_name, employee_rec.first_name, m_salary;
+mod_salary := mod(current_salary + mod_salary,100);
+END LOOP;
+END $$ LANGUAGE plpgsql;
+
+CALL print_employees();
+SELECT * 
+FROM bd6_employees
+ORDER BY salary_in_euro;
+
+
+-- Task 3 -- 
+/* Напишите программу на языке PL/SQL, удаляющую 10 сотрудников с
+самой маленькой заработной платой. При этом их заработная плата должна
+добавиться 10 сотрудникам с самой большой заработной платой. Причём
+самая маленькая заработная плата должна добавиться к человеку с самой
+большой заработной платой. 2-я с конца заработная плата должна добавиться
+к человеку со второй по размеру заработной платой и т.д. */
+
+CREATE OR REPLACE FUNCTION rearrange_salaries() RETURNS VOID AS $$
+DECLARE
+    salaries RECORD;
+	small NUMERIC[];
+	larg NUMERIC[];
+	const CONSTANT INTEGER = 3;
+BEGIN
+    FOR salaries IN 
+        SELECT id, salary_in_euro
+        FROM bd6_employees 
+        ORDER BY salary_in_euro 
+        LIMIT const
+	LOOP
+		small = array_append(small, (SELECT salary_in_euro FROM bd6_employees WHERE id = salaries.id));
+    	DELETE FROM bd6_employees
+    	WHERE id = salaries.id;
+	END LOOP;
+
+    FOR salaries IN 
+        SELECT id, salary_in_euro
+        FROM bd6_employees 
+        ORDER BY salary_in_euro DESC 
+        LIMIT const
+	LOOP
+		larg = array_append(larg, (SELECT id FROM bd6_employees WHERE id = salaries.id));
+	END LOOP;
+	
+	FOR i IN 1..const
+	LOOP
+        UPDATE bd6_employees
+        SET salary_in_euro = salary_in_euro + small[i]
+        WHERE id = larg[i];
+    END LOOP;
+END;
+$$ LANGUAGE plpgsql;
+SELECT rearrange_salaries();
+
+-- Task 4 --
+/* Создайте таблицу spiral с 5 полями f1, f2, f3, f4, f5 – целые числа.
+Напишите программу на языке PL/SQL, заполняющую данную таблицу 1000
+строк по следующему принципу:
+1 2 3 4 5
+10 9 8 7 6
+11 12 13 14 15
+20 19 18 17 16
+21 22 23 24 25 */
+
+CREATE OR REPLACE PROCEDURE f() AS $$ 
+DECLARE d_attrs RECORD; 
+BEGIN
+
+FOR d_attrs IN WITH RECURSIVE tmp AS ( 
+    SELECT 1+i*5 AS f1, 2+i*5 AS f2, 3+i*5 AS f3, 4+i*5 AS f4,5+i*5 AS f5 
+    FROM generate_series(0,199) i)
+
+SELECT * FROM tmp 
+LOOP 
+case 
+when ( mod(d_attrs.f1,2)!=0) 
+then RAISE INFO ' % % % % %', d_attrs.f1, d_attrs.f2, d_attrs.f3, d_attrs.f4, d_attrs.f5; 
+when ( mod(d_attrs.f1,2)=0) 
+then RAISE INFO ' % % % % %', d_attrs.f5, d_attrs.f4, d_attrs.f3, d_attrs.f2, d_attrs.f1; 
+end case; 
+END LOOP; 
+END $$ LANGUAGE plpgsql; 
+call f();
+
+-- Task 7 from lab4 -- 
+
+
+CREATE table staff(
+	id integer primary key,
+	name varchar(64) NOT NULL,
+	department varchar(64) NOT NULL
+);
+
+CREATE SEQUENCE staff_id_seq
+	START WITH 12
+	CYCLE
+	INCREMENT BY 8
+	CACHE 100;
+	
+
+INSERT INTO staff VALUES
+	(nextval('staff_id_seq'), 'Ivan Makarenko', 'Director');
+	
+INSERT INTO staff
+	(SELECT nextval('staff_id_seq'), last_name, department_name
+	 FROM employees e JOIN departments d ON e.department_id = d.department_id);
+	 
+UPDATE staff SET department = 'Innovations department'
+	WHERE id < 40;
+	
+DELETE FROM staff 
+	WHERE name ILIKE('%K%');
+
+CREATE VIEW dep_staff_counts AS
+SELECT department, COUNT(*) AS ecount
+FROM staff
+GROUP BY department;
+
+SELECT * FROM dep_staff_counts;
+
+
+
+
+
+-- CREATE OR REPLACE PROCEDURE department_names(integer) AS $$
+-- DECLARE 
+-- 	d_attrs RECORD;
+-- 	i INTEGER;
+-- 	l INTEGER;
+-- BEGIN
+-- FOR d_attrs IN 
+-- 	(
+-- 	SELECT id,last_name, first_name, manager_id
+-- 	FROM bd6_employees order by manager_id 
+-- 	)   
+-- 	LOOP
+-- 		IF d_attrs.manager_id=$1 THEN
+--     		RAISE INFO ' % % % % ', d_attrs.first_name, d_attrs.last_name, d_attrs.id, d_attrs.manager_id;    
+-- 			l:= d_attrs.id;
+--     	CALL department_names(l);    
+-- 	END IF;
+-- END LOOP; 
+-- END $$ LANGUAGE plpgsql; 
+
+
+-- CREATE OR REPLACE PROCEDURE department_names2(integer) AS $$
+-- DECLARE d_attrs RECORD;
+-- BEGIN
+-- 	FOR d_attrs IN 
+-- 	(
+-- 	SELECT id,last_name, first_name, manager_id   
+-- 	FROM bd6_employees 
+-- 	order by manager_id 
+-- 	)
+      
+-- LOOP   
+-- 	if d_attrs.id=$1 then    
+-- 	RAISE INFO ' % % % % ', d_attrs.first_name, d_attrs.last_name, d_attrs.id, d_attrs.manager_id;
+-- 	end if;
+-- 	END LOOP; 
+-- CALL department_names($1);
+-- END $$ LANGUAGE plpgsql; 
+-- CALL department_names2(4);
+
+
+/* Вариант 1 || Работа 6 || Антипенко, Дробышевский */
+
+
+-- Task 1 -- 
+-- Пункт а)
+WITH RECURSIVE tmp AS (
+
+  SELECT id, first_name, last_name, manager_id, 1 AS level
+  FROM bd6_employees
+  WHERE id = 1
+  UNION all
+  SELECT e.id, e.first_name, e.last_name, e.manager_id, t.level + 1
+  FROM bd6_employees e
+  JOIN tmp t ON e.manager_id = t.id 
+)
+SELECT * 
+FROM tmp
+;
+
+-- Пункт б)
+CREATE OR REPLACE PROCEDURE depa(integer) AS $$
+DECLARE 
+	d_attrs RECORD;
+	i integer;
+	l integer;
+BEGIN
+FOR d_attrs IN 
+	(
+	SELECT id,last_name, first_name, manager_id
+	FROM bd6_employees 
+	ORDER BY manager_id
+	)   
+	LOOP
+	IF d_attrs.manager_id=$1 THEN
+	 	RAISE INFO ' % % % % ', d_attrs.first_name, d_attrs.last_name, d_attrs.id, d_attrs.manager_id;   
+		l:= d_attrs.id;
+    	CALL depa(l); 
+	END IF;
+	END LOOP; 
+END $$ LANGUAGE plpgsql; 
+
+CREATE OR REPLACE PROCEDURE dep(integer) AS $$
+DECLARE
+	d_attrs RECORD;
+	BEGIN
+	FOR d_attrs IN 
+	(
+	SELECT 
+		id,
+		last_name, 
+		first_name, 
+		manager_id   
+	FROM bd6_employees 
+	ORDER BY manager_id
+	)
+      
+	LOOP   
+	IF d_attrs.id=$1 THEN   
+	RAISE INFO ' % % % % ', d_attrs.first_name, d_attrs.last_name, d_attrs.id, d_attrs.manager_id;
+    END IF;
+	END LOOP; 
+CALL depa($1);
+END $$ LANGUAGE plpgsql; 
+CALL dep(1);   
+
+-- Task 2 --
+
+UPDATE bd6_employees SET salary_in_euro = 299 WHERE id = 3;
+
+CREATE OR REPLACE PROCEDURE print_employees() AS $$
+DECLARE
+current_salary INTEGER;
+m_salary INTEGER;
+mod_salary INTEGER := 0;
+employee_rec RECORD;
+i INTEGER = 0;
+cnt INTEGER;
+BEGIN
+SELECT COUNT(*) INTO cnt FROM bd6_employees;
+FOR employee_rec IN 
+	(
+   SELECT last_name, first_name, salary_in_euro 
+   FROM bd6_employees 
+   ORDER BY salary_in_euro
+	) 
+LOOP
+
+	current_salary := employee_rec.salary_in_euro;
+	
+	IF cnt - 1 = i THEN 
+	m_salary := ((current_salary) / 100) * 100 + mod_salary;
+	ELSE 
+	m_salary := ((current_salary) / 100) * 100;
+	END IF;
+
+RAISE NOTICE 'Employee: % % || Modified Salary: %', employee_rec.last_name, employee_rec.first_name, m_salary;
+
+mod_salary := mod_salary + mod(current_salary, 100);
+i := i+1;
+
+END LOOP;
+
+END $$ LANGUAGE plpgsql;
+
+CALL print_employees();
+SELECT * 
+FROM bd6_employees
+ORDER BY salary_in_euro;
+
+
+-- Task 3 -- 
+CREATE OR REPLACE FUNCTION rearrange_salaries() RETURNS VOID AS $$
+DECLARE
+    salaries RECORD;
+	small NUMERIC[];
+	larg NUMERIC[];
+	const CONSTANT INTEGER = 10;
+BEGIN
+    FOR salaries IN 
+        SELECT id, salary_in_euro
+        FROM bd6_employees 
+        ORDER BY salary_in_euro 
+        LIMIT const
+	LOOP
+		small = array_append(small, (SELECT salary_in_euro FROM bd6_employees WHERE id = salaries.id));
+		UPDATE bd6_employees SET manager_id = NULL WHERE manager_id = salaries.id;
+    	DELETE FROM bd6_employees
+    	WHERE id = salaries.id;
+	END LOOP;
+
+    FOR salaries IN 
+        SELECT id, salary_in_euro
+        FROM bd6_employees 
+        ORDER BY salary_in_euro DESC 
+        LIMIT const
+	LOOP
+		larg = array_append(larg, (SELECT id FROM bd6_employees WHERE id = salaries.id));
+	END LOOP;
+	
+	FOR i IN 1..const
+	LOOP
+        UPDATE bd6_employees
+        SET salary_in_euro = salary_in_euro + small[i]
+        WHERE id = larg[i];
+    END LOOP;
+END;
+$$ LANGUAGE plpgsql;
+SELECT rearrange_salaries();
+
+-- Task 4 --
+
+CREATE OR REPLACE PROCEDURE f() AS $$ 
+DECLARE d_attrs RECORD; 
+BEGIN
+
+FOR d_attrs IN WITH RECURSIVE tmp AS ( 
+    SELECT 1+i*5 AS f1, 2+i*5 AS f2, 3+i*5 AS f3, 4+i*5 AS f4,5+i*5 AS f5 
+    FROM generate_series(0,199) i)
+
+SELECT * FROM tmp 
+LOOP 
+case 
+when ( mod(d_attrs.f1,2)!=0) 
+then RAISE INFO ' % % % % %', d_attrs.f1, d_attrs.f2, d_attrs.f3, d_attrs.f4, d_attrs.f5; 
+when ( mod(d_attrs.f1,2)=0) 
+then RAISE INFO ' % % % % %', d_attrs.f5, d_attrs.f4, d_attrs.f3, d_attrs.f2, d_attrs.f1; 
+end case; 
+END LOOP; 
+END $$ LANGUAGE plpgsql; 
+call f();
+
+-- Task 7 from lab4 -- 
+DROP VIEW IF EXISTS dep_staff_counts;
+
+CREATE VIEW dep_staff_counts AS
+SELECT department, COUNT(*) AS ecount
+FROM staff
+GROUP BY department;
+
+SELECT * FROM dep_staff_counts;
@@ -0,0 +1,72 @@
+CREATE OR REPLACE FUNCTION rearrange_salaries() RETURNS VOID AS $$
+DECLARE
+    salaries RECORD;
+	small NUMERIC[];
+	larg NUMERIC[];
+	const CONSTANT INTEGER = 10;
+BEGIN
+    FOR salaries IN 
+        SELECT id, salary_in_euro
+        FROM bd6_employees 
+        ORDER BY salary_in_euro 
+        LIMIT const
+	LOOP
+		small = array_append(small, (SELECT salary_in_euro FROM bd6_employees WHERE id = salaries.id));
+    	DELETE FROM bd6_employees
+    	WHERE id = salaries.id;
+	END LOOP;
+
+    FOR salaries IN 
+        SELECT id, salary_in_euro
+        FROM bd6_employees 
+        ORDER BY salary_in_euro DESC 
+        LIMIT const
+	LOOP
+		larg = array_append(larg, (SELECT id FROM bd6_employees WHERE id = salaries.id));
+	END LOOP;
+	
+	FOR i IN 1..const
+	LOOP
+        UPDATE bd6_employees
+        SET salary_in_euro = salary_in_euro + small[i]
+        WHERE id = larg[i];
+    END LOOP;
+END;
+$$ LANGUAGE plpgsql;
+SELECT rearrange_salaries();
+
+
+
+
+CREATE OR REPLACE FUNCTION update_salaries() RETURNS VOID AS $$
+DECLARE
+    max_salary_employee_id INTEGER;
+    min_salaries numeric[];
+    max_salaries numeric[];
+    i INTEGER;
+    const CONSTANT INTEGER = 10;
+BEGIN
+    -- Получаем заработные платы последних 10 человек с самой маленькой заработной платой
+    SELECT array_agg(id) FROM bd6_employees
+    ORDER BY salary_in_euro ASC
+    LIMIT const INTO min_salaries;
+
+    -- Получаем заработные платы 10 первых человек с самой большой заработной платой
+    SELECT array_agg(id) FROM bd6_employees
+    ORDER BY salary_in_euro DESC
+    LIMIT const INTO max_salaries;
+
+    -- Добавляем заработные платы
+    FOR i IN 1..const LOOP
+        UPDATE bd6_employees
+        SET salary_in_euro = salary_in_euro + min_salaries[i]
+        WHERE id = max_salaries[i];
+    END LOOP;
+
+    -- Удаляем 10 человек с наименьшей заработной платой
+    DELETE FROM bd6_employees
+    WHERE id IN (SELECT unnest(min_salaries));
+
+    RAISE NOTICE 'Заработные платы обновлены и % человек удалены', const;
+END;
+$$ LANGUAGE plpgsql;