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_incrementcreate table mysql example auto_increment
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CREATE TABLE animals (
id MEDIUMINT NOT NULL AUTO_INCREMENT,
name CHAR(30) NOT NULL,
PRIMARY KEY (id)
);
INSERT INTO animals (name) VALUES
('dog'),('cat'),('penguin'),
('lax'),('whale'),('ostrich');
SELECT * FROM animals;Copyright © 2021 Codeinu
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