mysql create table auto_increment code example

Example 1: mysql set id auto increment

ALTER TABLE users AUTO_INCREMENT=1001;

Example 2: add auto_increment column to existing table mysql

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

ALTER TABLE `users` ADD `id` INT NOT NULL AUTO_INCREMENT UNIQUE FIRST

Example 3: set id count mysql

ALTER TABLE name AUTO_INCREMENT=310;

Example 4: create a table with an id in mysql

CREATE TABLE DemoT (
    Personid int NOT NULL AUTO_INCREMENT,
    LastName varchar(111) NOT NULL,
    FirstName varchar(111),
    Age int,
    PRIMARY KEY (Personid)
);

Example 5: auto_increment mysql

ALTER TABLE User AUTO_INCREMENT = 1;

Example 6: how to change the auto increment in existing table mysql

ALTER TABLE tbl_access ADD COLUMN `access_id` int(10) NOT NULL PRIMARY KEY AUTO_INCREMENT FIRST

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Sql Example