How do I create primary key auto increment?

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Hi guys im having problem with phpmyadmin: i cant put in the autoiincrement index in a table, this is the query

CREATE TABLE `sito`.`messages` ( `index` INT ,`mittente` VARCHAR(255) NOT NULL , `destinatario` VARCHAR(255) NOT NULL , `message` VARCHAR(255) NOT NULL , PRIMARY KEY (index) ) ENGINE = InnoDB;

it returns a syntax error

What I have tried:

i tried to not specifing the engine

Posted 30-Mar-22 7:22am

Riccardo Miccinilli

Updated 30-Mar-22 7:50am

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Riccardo Miccinilli · Accepted Answer · 2022-03-30T07:50:00

Solution 1

click on A_I block on row of the setted primary key

Posted 30-Mar-22 7:50am

Riccardo Miccinilli