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CREATE TABLE movies ( id int CONSTRAINT firstkey PRIMARY KEY, title varchar (50), country varchar (50), date_prod date, director varchar(50), type varchar(20) ); --Создание базы с фильмами INSERT INTO movies VALUES (1, 'Severance', 'USA', '2022-03-24', 'Dan Erickson', 'science fiction'); INSERT INTO movies VALUES (2, 'Men In Black', 'USA', '1999-05-18', 'Barry Sonnenfeld', 'science fiction'); INSERT INTO movies VALUES (3, 'Men In Black', 'USA', '1998-05-18', 'Barry Sonnenfeld', 'science fiction'); INSERT INTO movies VALUES (4, 'Men In Black', 'USA', '1997-05-18', 'Barry Sonnenfeld', 'superhero film'); INSERT INTO movies VALUES (5, 'Batman', 'USA', '1996-05-18', 'Barry Sonnenfeld', 'SUPERHERO FILM'); UPDATE movies SET TYPE = 'SUPERHERO FILM' WHERE id=5; --учитываем регистр UPDATE movies SET TYPE = 'superhero film' WHERE id=4; --без учетпа регистра, просто находим строки с необходимым типом SELECT * FROM movies WHERE TYPE LIKE 'SUPERHERO%'; SELECT * FROM movies WHERE TYPE ILIKE 'SUPERHERO%'; --Создание столбца с почтой и телефоном ALTER TABLE movies ADD COLUMN email varchar (50); ALTER TABLE movies ADD COLUMN phone varchar (50); UPDATE movies SET email = 'truemail@bigcompany.com' where id=1; UPDATE movies SET email = 'truemail@аfalsecompany' where id=2; UPDATE movies SET email = 'nomailsomecompany.com' where id=3; UPDATE movies SET email = 'false@mail@smallcom#pany.com' where id=4; UPDATE movies SET email = 'othermail@smallcompany.com' where id=5; SELECT * FROM movies WHERE email LIKE '%@%'; --запрос на поиск email SELECT * FROM movies WHERE email LIKE '%@%.%'; --запрос на поиск некорректных email --запрос по у SELECT * FROM movies WHERE email ~ '^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}$'; UPDATE movies SET email = 'defaultmail@mail.com' WHERE email !~ '^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}$'; UPDATE movies SET phone = '+7123456789' where id =1; UPDATE movies SET phone = '+7123456788' where id =2; UPDATE movies SET phone = '+7123456777' where id =3; UPDATE movies SET phone = '+7123455555' where id =4; UPDATE movies SET phone = '+7123444444' where id =5; -- Changed REGEXP_LIKE to appropriate syntax: SELECT * FROM movies WHERE phone ~ '^[^9]{8,}$'; SELECT * FROM movies WHERE phone ~ '^\+?[0-8]{8,}$'; SELECT * FROM movies WHERE phone ~ '^[^986]{8,}$'; SELECT * FROM movies WHERE phone ~ '^\+?[0-4,7]{8,}$';