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Technical Article

Grouped Failover, a 2008R2 version of Availability Groups

One of the new cool features in SQL 2012 is the SQL Server Availability groups. In other words being able to failover a group of databases which are logically connected. i.e. SharePoint databases. Well, it is also possible to do that in SQL 2008 (R2). It’s called a Grouped Failover.

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2013-01-24 (first published: )

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Technical Article

GetDateInString

This function will return a value of date if found within a string, the date format in the string will vary. If no date is found a null value is returned

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2013-01-17 (first published: )

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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