2012-06-08
2,626 reads
transactions
2012-05-30
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2012-05-23
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2012-05-16
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Investigating Transactions Using Dynamic Management Objects
There can be a great difference in the performance of a particular routine in a test database, and in a fully loaded production system. When you hit performance problems in a database under load, and there is excessive locking and blocking, how can you determine exactly where the problems lie, in order to fix them?
2010-10-22
3,228 reads
2010-10-01
3,139 reads
2010-09-23
3,037 reads
2010-09-21
3,237 reads
2010-09-16
3,247 reads
2010-09-14
3,437 reads
Blogs
T-SQL Tuesday #202 SQL Server Outage You’ll Never Forget: A Roundup
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Server-Level Table sizes
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Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure
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Question of the Day
ORDER BY alias
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers