mysql set id auto increment
ALTER TABLE users AUTO_INCREMENT=1001;mysql set id auto increment
ALTER TABLE users AUTO_INCREMENT=1001;alter table auto_increment
ALTER TABLE ALLITEMS CHANGE itemid itemid INT(10)AUTO_INCREMENT PRIMARY KEY;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)
);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 FIRSTinsert into auto increment mysql
/* To insert into an auto incrementing field without specifing every column in
the table, you can use the key word default in the place of the auto
incrementing column*/
INSERT INTO my_table VALUES(default, "test1", 222)
/*VS */
INSERT INTO my_table(name, num) VALUES("test1", 222)
/*Having to type out all of the column names except the auto incrementing one
can be very tedious when you have many columns, just use the keyword defualt
instead and you only have to type it once.Copyright © 2021 Codeinu
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