CLOSE MASTER KEY (Transact-SQL)

Closes the master key of the current database.

Applies to: SQL Server (SQL Server 2008 through current version).

Topic link icon Transact-SQL Syntax Conventions

Syntax
CLOSE MASTER KEY
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 AdventureWorks2012;
CLOSE MASTER KEY;
GO