mysql set auto_increment back to 1 code example
Example 1: mysql reset auto increment value
ALTER TABLE table_name AUTO_INCREMENT = 1;
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: mysql set id auto increment
ALTER TABLE users AUTO_INCREMENT=1001;