how to reset auto increment in sql code example

Example 1: sql reset auto increment

ALTER TABLE tmp AUTO_INCREMENT = 3;

Example 2: mysql reset auto increment id

SET  @num := 0;

UPDATE your_table SET id = @num := (@num+1);

ALTER TABLE your_table AUTO_INCREMENT =1;

Example 3: sql server reset auto increment

DBCC CHECKIDENT (mytable, RESEED, 0)

Example 4: mysql check auto increment value

SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'database_name' AND TABLE_NAME = 'table_name';

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