Answers for "how to set auto_increment in mysql after creating table"

SQL
7

mysql set id auto increment

ALTER TABLE users AUTO_INCREMENT=1001;
Posted by: Guest on August-31-2020
1

make a field auto_increment mysql

ALTER TABLE document MODIFY COLUMN document_id INT auto_increment
Posted by: Guest on September-08-2021
3

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)
);
Posted by: Guest on April-27-2020
-1

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
Posted by: Guest on November-03-2020

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