# Operations that Take Either a Database or a Cluster Level Lock

Certain operations will take either a database level lock or a cluster level lock. This topic explains what these locks are, their impact, and the operations that use them.

## In this section

* [Database Level Locks](https://docs.singlestore.com/db/v9.1/reference/sql-reference/operations-that-take-either-a-database-or-a-cluster-level-lock/database-level-locks.md)
* [Cluster Level Locks](https://docs.singlestore.com/db/v9.1/reference/sql-reference/operations-that-take-either-a-database-or-a-cluster-level-lock/cluster-level-locks.md)
* [Operations that Take Database Level Locks](https://docs.singlestore.com/db/v9.1/reference/sql-reference/operations-that-take-either-a-database-or-a-cluster-level-lock/operations-that-take-database-level-locks.md)
* [Operations that Take Cluster Level Locks](https://docs.singlestore.com/db/v9.1/reference/sql-reference/operations-that-take-either-a-database-or-a-cluster-level-lock/operations-that-take-cluster-level-locks.md)

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Modified at: August 26, 2022

Source: [/db/v9.1/reference/sql-reference/operations-that-take-either-a-database-or-a-cluster-level-lock/](https://docs.singlestore.com/db/v9.1/reference/sql-reference/operations-that-take-either-a-database-or-a-cluster-level-lock/)

(An index of the documentation is available at /llms.txt)