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CLOSE MASTER KEY (Transact-SQL)
Applies to: 👁 Image
SQL Server 👁 Image
Azure SQL Database 👁 Image
Azure SQL Managed Instance 👁 Image
Azure Synapse Analytics 👁 Image
Analytics Platform System (PDW) 👁 Image
SQL database in Microsoft Fabric
Closes the master key of the current database.
👁 Image
Transact-SQL syntax conventions
Syntax
CLOSE MASTER KEY
Note
This syntax is not supported by serverless SQL pool in Azure Synapse Analytics.
Arguments
Takes no arguments.
Remarks
This statement reverses the operation performed by OPEN MASTER KEY. CLOSE MASTER KEY only succeeds when the database master key was opened in the current session by using the OPEN MASTER KEY statement.
Permissions
No permissions are required.
Examples
USE AdventureWorks2022;
CLOSE MASTER KEY;
GO
Examples: Azure Synapse Analytics and Analytics Platform System (PDW)
USE master;
OPEN MASTER KEY DECRYPTION BY PASSWORD = '43987hkhj4325tsku7';
GO
CLOSE MASTER KEY;
GO
See Also
CREATE MASTER KEY (Transact-SQL)
OPEN MASTER KEY (Transact-SQL)
Encryption Hierarchy
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