😡 Boss : There are 50 bricks
on an aeroplane.
If u drop 1 outside.
How many are left?
Employee : That’s easy, 49. 175 more words
Once a column is set to Auto Increment the value would Increment by one for every record added. Therefore, the column value for each record would be unique and hence it could be set as a primary key. 41 more words
When you are Involved in comparing and updating two different tables there may be times when you would need the last ID of a table so that it can be used in another table provided the ID is a primary key set to Auto Increment. 135 more words