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Developer-C 11.1
3.0
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-- DEMO TABLE CREATE TABLE people ( id int AUTO_INCREMENT NOT NULL, name varchar(100), age int, active smallint DEFAULT 0, PRIMARY KEY (id) ); -- DEMO DATA INSERT INTO people(id, name, age, active) VALUES (1, 'Jon', 37, 1), (2, 'Jack', 23, 0), (3, 'Peter', 24, 0), (4, 'Phil', 55, 0);
Records: 4 Duplicates: 0 Warnings: 0
SET @REMOVE = (SELECT GROUP_CONCAT(id) FROM people WHERE active < 1); DELETE FROM people WHERE FIND_IN_SET(id, @REMOVE);
SELECT * FROM people;
id
name
age
active
1
Jon
37
1