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End to End Server Disk Space reporting within SQL Server

This procedure using OLE object calls to obtain server disk space values and writes them to a table. It then creates an HTML report based on the contents of the table and then , via a SQL Agent job, sends out colour coded emails relating to how much drive space is left... this is very handy!!!!

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2016-03-16 (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