make a field auto_increment mysql
ALTER TABLE document MODIFY COLUMN document_id INT auto_incrementmake a field auto_increment mysql
ALTER TABLE document MODIFY COLUMN document_id INT auto_incrementadd 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 FIRSThow 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 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.auto increment column in mysql query results
SET @auto_increment=0;
SELECT @auto_increment := @auto_increment+1 AS `No`;Copyright © 2021 Codeinu
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