Suresh Raavi is a database professional, with a zest for SQL Server specializing in Administration and performance tuning. Presently, he is a Sr. SQL Server DBA at the Microsoft Products and Services IT SQL team, taking part in various challenging projects, focusing mainly on performance tuning, database development, high availability and database design. He is passionate about database technologies and "data" in general. He has earned the MCITP Database Administrator 2008, and holds a Master of Science degree in Engineering. He provides insights from the field on his blog at http://SqlServerZest.com. His hobbies includes Running and Travelling.
You can follow him on Twitter @SqlServerZest

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A Last Minute Trip to the EU

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In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...

Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework

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I’m excited to announce the release of a new open-source project that fully automates...

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Server-Level Table sizes

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ORDER BY alias

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Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure

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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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