Глава 41: переработка раздела, посвященного вставке данных

This commit is contained in:
Igor Simdyanov
2022-06-07 14:44:25 +03:00
parent 9e2b869f2c
commit 306d6b0916
7 changed files with 23 additions and 10 deletions

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DROP TABLE IF EXISTS catalogs;
CREATE TABLE catalogs (
id INTEGER,
name TEXT
);

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DROP TABLE IF EXISTS catalogs;
CREATE TABLE catalogs (
id SERIAL,
name TEXT NOT NULL
);
INSERT INTO catalogs
(name)
VALUES
('Процессоры'),
('Материнские платы'),
('Видеоадаптеры'),
('Жесткие диски'),
('Оперативная память');

5
postgresql/timestamp.sql Normal file
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CREATE TABLE tbl (
id INTEGER NOT NULL,
putdate TIMESTAMP NOT NULL,
lastdate DATE NOT NULL
);

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DELETE FROM users LIMIT 1;

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INSERT INTO users VALUES (DEFAULT, 'Игорь', 'Симдянов');
INSERT INTO users (last_name, first_name) VALUES ('Кузнецов', 'Максим');

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INSERT INTO
users (first_name, last_name)
VALUES
('Максим', 'Кузнецов'),
('Игорь', 'Симдянов');

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TRUNCATE TABLE users;
DELETE FROM users;