How to Reset Identity Seed After Deleting Records in SQL Server
If you’ve ever deleted records in SQL Server and then noticed your next insert doesn’t start at 1 but maybe jumps to 57, you’ve seen firsthand why it’s important to know how to reseed identity in SQL Server. Identity columns are excellent for auto-generating unique row identifiers; however, they usually don’t reset automatically. This behavior can leave frustrating gaps and disrupt your queries.