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
9,104 reads
In this article, we examine how data changes are made against heaps.
2021-05-03
4,980 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
21,221 reads
By alevyinroc
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I have a table, dbo.MasterBrands, with this data:
BrandID OfficialName 1 Samsung 2 Apple 3 Microsoft 4 Adidas 5 Coca-ColaI run this query. What is returned for Coca-Cola?
SELECT CHOOSE(BrandID, 'Conglomerate', 'Tech and Design', 'Desktop', 'Apparel') FROM dbo.MasterBrands;See possible answers