Automated Trigger To Require a WHERE Clause
Learn how you can build triggers that prevent an update or delete statement from being run without a WHERE clause in this article.
2013-08-09 (first published: 2011-01-25)
16,945 reads
Rahul Kumar Ghosh
Total Database Information At Your Fingertips Part - II
This article will help to get some basic information from your databases that may help you in different situations.
2011-11-24
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Total Database Information At Your Fingertips Part I
This article will help to get some basic information from your databases that may help you in different situations.
2011-08-16
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2010-12-29
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2010-12-17
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2010-12-13
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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