Blog Post

Speaking at DPS 2020

I was lucky enough to attend the Data Platform Summit a few years ago. One of my favorite speaking photos was from the event.Me on a massive stage, massive...

2020-12-03 (first published: )

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Filtering Results in Go

Where Filtering
I explored a bit on filtering objects with Go for the AWS SDK v1.
Coming from PowerShell, I’m used to a lot of one-liners that do a lot of...

2020-11-26 (first published: )

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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