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Transaction Isolation and the New Snapshot Isolation Level

Concurrency and transaction isolation are a prickly subject, difficult to explain with any kind of clarity without boring the reader and leaving their poor brain in a complete muddle. Therefore, it is often ignored in the vain hope it won't affect us and we can forget all about it. Well you can't ignore it any more and with SQL Server 2005 there's a whole new isolation level added to the four that already exist.

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Question of the Day

Encoding Strings

I have this code in SQL Server 2025. What is the result?

DECLARE @message VARCHAR(50) = 'Hello SQL Server 2025!';
DECLARE @encoded VARCHAR(MAX);

SET @encoded = BASE64_ENCODE(@message);
SELECT @encoded AS EncodedResult;

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