Mala Mahadevan

My name is Malathi, a.k.a Mala - I am a DBA turned BI/Data Science person, working with SQL Server since 6.5. I am also founder of the Louisville SQL Server user group, organizer of 8 SQL Saturdays, Regional mentor for northeast, and 14-year PASS conference attendee. In my spare time I love to garden, travel, read, paint, and do yoga.

SQLServerCentral Article

Querying Temporal Tables

Temporal tables a.k.a Table Versioning was introduced in SQL Server 2016 and is an easy, convenient way to track changes to data. A good introduction to temporal tables can be found here. One of the key advantages of versioning tables is easy of querying – or getting a ‘single pane of glass’ look of how […]

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2019-07-29

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Question of the Day

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