SQLServerCentral Article

#22: What counts for a DBA

In this session Louis Davidson, Microsoft MVP, discusses how being observant of the environment you work in can help you make sure that you are aware of the health of your database systems, as well as your career. You can watch the complete webinar here. Answers to any questions asked are further down the page, […]

SQLServerCentral Editorial

The Challenger

There is plenty of competition in the database platform space for SQL Server. There's a new NuSQL platform, whose vendor hopes will replace SQL Server as the platform of choice in the cloud. However Steve Jones isn't sure this will be the case.

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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) + 1
Which of the following queries produces the expected ordering and why? (Select all correct)

See possible answers