mysql change auto_increment code example

Example 1: mysql alter column auto increment

ALTER TABLE document MODIFY COLUMN document_id INT auto_increment

Example 2: mysql set id auto increment

ALTER TABLE users AUTO_INCREMENT=1001;

Example 3: mysql change innodb to myisam

ALTER TABLE table_name ENGINE = MyISAM;

Example 4: mysql update auto

ALTER TABLE tbl AUTO_INCREMENT = 100;

Example 5: mysql add auto increment id existing table

ALTER TABLE `users` ADD `id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY