Přidat automatický přírůstek mysql

Příklady kódu

3
0

mysql nastavit id auto přírůstek

ALTER TABLE users AUTO_INCREMENT=1001;
1
0

sloupec automatického přírůstku ve výsledcích dotazu mysql

SET @auto_increment=0;
SELECT @auto_increment := @auto_increment+1 AS `No`;
1
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vložit do automatického přírůstku 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 IGNORE INTO my_table VALUES(default, "test1", 222)
/*VS */
INSERT IGNORE 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.
0
0

auto_increment mysql

ALTER TABLE User AUTO_INCREMENT = 1;
-1
0

jak změnit automatický přírůstek ve stávající tabulce mysql

ALTER TABLE tbl_access ADD COLUMN `access_id` int(10) NOT NULL PRIMARY KEY AUTO_INCREMENT FIRST
-2
0

mysql přidat auto inkrement id existující tabulky

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

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