What is Sp_lock in SQL Server?

The sp_lock system stored procedure is a great tool for checking the amount of locking that occurs on your database system. It returns the number and types of locks that are being held by current active SQL Server sessions.Click to see full answer. Also asked, what is table lock in SQL Server?Lock: Lock is a mechanism to ensure data consistency. SQL Server locks objects when the transaction starts. When the transaction is completed, SQL Server releases the locked object. Exclusive (X) Locks: When this lock type occurs, it occurs to prevent other transactions to modify or access a locked object.Beside above, how do you unlock a table in SQL? The way to ‘unlock’ a table is to kill the connection holding the lock, or wait for that connection to finish what it’s doing and let SQL release the locks. Correspondingly, how can I tell if a SQL Server table is locked? In SQL Server 2005 (SSMS, object Explorer) Expand-server-management-double click Activity Monitor. on left side you have three options to choose from, select those options and you can see all the locks related information. run this stored procedure in the database.What is Sp_getapplock?The sp_getapplock call takes out a lock to the resource “MyLock” and holds it as long as the transaction is alive. In this case it will wait 8 seconds and then execute the COMMIT, which will release the lock.