Introduction Every DML transaction reads the data before it makes any changes. Not only during a SELECT query, but when you run any DML statement, insert, update, or delete, SQL Server first fetches a bunch of pages into the buffer pool locating the desired rows and changes them while synchronously writing to the transaction log […]
2021-05-10
8,250 reads
In this article, we examine how data changes are made against heaps.
2021-05-03
4,826 reads
In Part 1 of this series, we examine the structure of data pages and how your tables are stored on these pages.
2021-04-13
19,890 reads
By Steve Jones
I had an idea for an animated view of a sales tool, and started...
Next Monday, February 9, 2026, my one-day live online training SQL Server Query Tuning...
By Steve Jones
One of the features we advocates have been advocating for is a better way...
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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