auto increment sql create 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: 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.
Example 3: how to alter auto increment in sql
INSERT INTO Persons (Personid,FirstName,LastName)
VALUES (seq_person.nextval,'Lars','Monsen');