sql auto increment field in table code example
Example 1: sql query to make a existing column auto increment
Alter table table_name modify column_name datatype(length) AUTO_INCREMENT PRIMARY KEY
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)
);