Technical Article

SQL Saturday #280 Vienna, Austria

SQL Saturday is coming to Vienna on March 6 with a full-day of technical training and networking, featuring international speakers. With over 20 sessions on SQL Server, the event is aimed at all those interested in SQL Server - from pros to beginners.
In 2014 the event is held for the first time in Austria, Vienna, organized by PASS Austria.

External Article

SQL Server SEQUENCE Basics

The SEQUENCE statement introduced in SQL Server 2012 brings the ANSI SQL 2003 standard method of generating IDs. This is a great relief to database professionals as it solves some problems what are awkward to solve with the IDENTITY property. Joe Celko explains the basics of using a SEQUENCE.

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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