make a field auto_increment mysql
ALTER TABLE document MODIFY COLUMN document_id INT auto_increment
make a field auto_increment mysql
ALTER TABLE document MODIFY COLUMN document_id INT auto_increment
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
auto increment column in mysql query results
SET @auto_increment=0;
SELECT @auto_increment := @auto_increment+1 AS `No`;
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