Auto Increment In Sql Code Example


Example 1: how 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');

Example 2: create table with primary key auto increment in sql

CREATE TABLE table_name (     id INT NOT NULL IDENTITY(1, 1),     name NVARCHAR (100) NULL,     school NVARCHAR (100) NULL,     PRIMARY KEY (ID) );

Example 3: id increment ms sql server

CREATE TABLE Persons (     Personid int IDENTITY(1,1) PRIMARY KEY,     LastName varchar(255) NOT NULL,     FirstName varchar(255),     Age int );

Example 4: how to alter auto increment in sql

INSERT INTO Persons (Personid,FirstName,LastName)  VALUES (seq_person.nextval,'Lars','Monsen');

Example 5: what is auto increment in sql

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.

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