sql query to make a existing column auto increment
Alter table table_name modify column_name datatype(length) AUTO_INCREMENT PRIMARY KEYsql query to make a existing column auto increment
Alter table table_name modify column_name datatype(length) AUTO_INCREMENT PRIMARY KEYhow to auto increment in sql
CREATE TABLE Persons (
Personid int NOT NULL AUTO_INCREMENT,
LastName varchar(255) NOT NULL,
FirstName varchar(255),
Age int,
PRIMARY KEY (Personid)
);
INSERT INTO Persons (FirstName,LastName)
VALUES ('Lars','Monsen');create a table with an id in mysql
CREATE TABLE DemoT (
Personid int NOT NULL AUTO_INCREMENT,
LastName varchar(111) NOT NULL,
FirstName varchar(111),
Age int,
PRIMARY KEY (Personid)
);Copyright © 2021 Codeinu
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