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SQL Server System Audit Report

SQL Server System Audit Report Rudy Panigas, 2018-05-25 (first published: 2016-02-02) With every technology, security is in the forefront of the minds of professionals around the world. Ensuring that your SQL Server is secure is the job of every Database Administrator (DBA). The DBA(s) needs to configure the system to minimize the “attack surface” (reducing […]

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2019-04-18

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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