2023-06-28
420 reads
Execute AS
Execute As
Learn how you can use Execute As in a stored procedure to control permissions. This article includes an example that limits access to encryption routines for users.
2013-10-11 (first published: 2011-02-02)
18,334 reads
Context Switching or Database Impersonation using EXEC AS
SQL Server 2005/2008 provides the ability to change the execution and security context with the EXEC or EXECUTE AS clause to allow a user to perform high privileged activities without allowing the user to have high privilege access.
2009-07-17
2,114 reads
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The Decoded Value
In SQL Server 2025, what is returned from this code:
DECLARE @message VARCHAR(50) = 'Hello SQL Server 2025!'; DECLARE @encoded VARCHAR(MAX); SET @encoded = BASE64_ENCODE(CAST(@message AS VARBINARY(1000))); SELECT BASE64_DECODE(@encoded)See possible answers