SQL Puzzle 2: Eight Queens
This puzzle was first proposed in 1848 by a composer of chess puzzles called Max Bezzel and has since spawned...
2019-04-26 (first published: 2017-07-19)
2,181 reads
Matthew McGiffen
- Twitter: @MattMcGiffen
- Website: https://matthewmcgiffen.com/
SQL Puzzle 3: Knights and Queens
I thought I’d do another chess puzzle this month. This one is a variant on the Eight Queens problem:
SQL Puzzle...
2019-04-26 (first published: 2017-08-22)
2,210 reads
SQL Puzzle 4: The Beale Papers
I’ve not done a SQL puzzle for a while so thought it was getting overdue…
I set this one for my...
2019-04-26 (first published: 2017-11-08)
1,431 reads
SQL Puzzle 5: Prime Magic
Quite a few of you have read or attempted the previous puzzle SQL Puzzle 1: Magic Squares
As a quick reminder, when...
2019-04-26 (first published: 2017-12-19)
1,623 reads
SQL Server Agent and Daylight Saving time
There was a bit of chat today on the SQL Community slack about UTC and Daylight Saving Time. It reminded...
2019-04-26 (first published: 2017-07-19)
2,539 reads
SQL Server Query Store
Query Store was, probably without doubt, the most anticipated and talked out new feature in SQL 2016. Certainly by the...
2019-04-26 (first published: 2017-03-13)
6,227 reads
Statistics and Cardinality Estimation
Cardinality
This is a term originally from Mathematics, generally defined as “The number of objects in a given set or grouping”....
2019-04-26 (first published: 2017-06-20)
5,720 reads
Statistics and the Ascending Key Problem
I’ve mentioned previously how not having up to date statistics can cause problems in query performance. This post looks at...
2019-04-26 (first published: 2017-07-25)
6,595 reads
Statistics Parser
In the last post we looked at using the STATISTICS IO and STATISTICS TIME commands to measure query performance.
If you’ve...
2019-04-26 (first published: 2017-05-31)
1,963 reads
Table Variable Performance “Fixed” in SQL 2019
Reading the new features for SQL 2019 I spotted this:
One of the most popular posts on my blog last year...
2019-04-26 (first published: 2018-09-25)
2,536 reads
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Question of the Day
Renaming a Database
If I want to rename the OldSales database to ArchiveSales, how can I do this? (choose 2)
See possible answers