Monica Rathbun

Monica lives in Virginia and is a Microsoft MVP for Data Platform. She has over 15 years of experience working with a wide variety of database platforms with a focus on SQL Server. She is a frequent speaker at IT industry conferences on topics including performance tuning and configuration management. She is the Leader of the Hampton Roads SQL Server User Group and a Mid-Atlantic PASS Regional Mentor. She is passionate about SQL Server and the SQL Server community, doing anything she can to give back. Monica can always be found on Twitter (@sqlespresso) handing out helpful tips.

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SQLServerCentral Editorial

Dealing with Ugly Babies

One thing I learned while working as a database administrator over 17 years is the importance of teamwork across departments. Many times, we have to rely on network and SAN administrator to make changes to their environments in order to make SQL Server run more efficiently. There are times where the storage and network create […]

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2019-02-25

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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)

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