When you create a table in SQL Server, you would also have an Identity Primary Key. This type of key would increase as new rows are added. But sometimes you would just need to delete all the rows and start all over again.
To restart the identity column, you could delete the column and re-add it again. This would normally work, but if you have relations with the primary key, you wouldn’t be allowed to delete it.
The next code that will make this possible, and restart the Primary Key from 0, thus the new row will be set as 1: Continue reading