Administration

Technical Article

Identifying performance issues using Profiler

  • Article

It is always better to be proactive than reactive, when it comes to identifying and eliminating SQL Server performance issues. This article shows you how to analyze the data gathered by Profiler, to identify the performance issues. This article also provides four generic stored procedures for analyzing Profiler output.

2003-04-01

2,688 reads

SQLServerCentral Article

Logins, Users, and Roles - Getting Started

  • Article

Do you know the difference between a login and a user? What's the best way to add them; Enterprise Manager, T-SQL, or SQL-DMO? In this beginner level article Andy demonstrates how to use all three methods to add logins and users and offers his view of which is the best technique.

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2005-09-30 (first published: )

37,544 reads

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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