SQL Server T-SQL

Performance Tuning SQL Server Joins

One of the best ways to boost JOIN performance is to limit how many rows need to be JOINed. This is especially beneficial for the outer table in a JOIN. Only return absolutely only those rows needed to be JOINed, and no more. [6.5, 7.0, 2000, 2005] Updated 7-25-2005 ***** If you perform regular joins […]

SQL Server Transact-SQL Transactions

If you have created a complex transaction that includes several parts, one part of which has a higher probability of rolling back the transaction than the others, better performance will be provided if you locate the most likely to fail part of the transaction at the front of the greater transaction. This way, if this […]
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