what is auto increment in sql
snippet in sql

how to auto increment in sql

user5855

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');

auto increment in sql server

user8142


CREATE TABLE Persons
(

    
  Personid int IDENTITY(1,1) PRIMARY KEY,

   
LastName varchar(255) NOT NULL,

   
FirstName varchar(255),

   
Age int

); 

what is auto increment in sql

user159

Autoincrement keyword allows the
user to create a unique number to get
generated whenever a new record is
inserted into the table.
This keyword is usually required 
whenever PRIMARY KEY in SQL is used.