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21 lines
638 B
SQL
21 lines
638 B
SQL
/* Лабораторная работа #2 || Вариант 1 || Гаранян, Епифанов */
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SELECT
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((30*20)/10)+(20*10) AS "X";
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SELECT *
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FROM locations
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WHERE postal_code IS NOT NULL;
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SELECT first_name AS "Имя", last_name AS "Фамилия",
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left(upper(first_name), 3) || left(upper(last_name), 2) AS "Идентификатор"
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FROM employees;
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SELECT
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job_id AS "Должность", max(salary) AS "Максимальная зарплата",
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min(salary) AS "Минимальная зарплата",
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to_char(avg(salary), '99999.00') AS "Средняя зарплата"
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FROM employees
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GROUP BY job_id; |