What Is Database Lock in Sql
When a Database Lock Occurs, Concurrent Transactions Are Limited in Their Access to the Affected Data Resource. the Limit Is Determined by the Locking Mode Set...
When a database lock occurs, concurrent transactions are limited in their access to the affected data resource. The limit is determined by the locking mode set by SQL Server. In the client, depending on the locking mode, users may be blocked from completing transactions on the locked data.
What is the database lock?
What is a database lock in the context of SQL? When two sessions or users of database try to update or delete the same data in a table, then there will be a concurrent update problem. In order to avoid this problem, database locks the data for the first user and allows him to update/delete the data.
What is database lock and its types?
Database lock basically signifies the transaction about the current status of the data item i.e. whether that data is being used by other transactions or not at that point of time. Two types of Database lock are present: Shared Lock. Exclusive Lock.
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