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Azure Function Drain mode

(2021-Jun-16) Recently, Google started to notify me that my blog website (http://datanrg.blogspot.com/) had been experiencing some ‘Server (5xx)’ errors. Nothing has been changed on my side, and I’m not sure how...

2021-06-23 (first published: )

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New blog post - Monitor deadlocks in Amazon RDS for SQL Server and set notifications using Amazon CloudWatch

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Blog Post

New blog post - Monitor deadlocks in Amazon RDS for SQL Server and set notifications using Amazon CloudWatch

Checkout my blog post on Monitor deadlocks in Amazon RDS for SQL Server and...

2021-06-15

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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