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)
2,336 reads
Blog Posts
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)
1,489 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)
1,663 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)
2,545 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)
6,363 reads
SQLServerCentral Design–bbPress
This is part of a series of posts that look at the changes to the SQLServerCentral design, bringing us to v3 of the site. You can see the other...
2019-04-26
51 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)
5,826 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)
7,623 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)
2,451 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)
2,545 reads
Blogs
Microsoft Build 2026 announcements
By James Serra
Once again there were a number of Microsoft Build announcements related to data and...
T-SQL Tuesday #199: Roundup
A good week ago I hosted the monthly T-SQL Tuesday blog party. I invited...
No Shortcuts for the SQLCMD Batch Terminator: #SQLNewBlogger
By Steve Jones
I was messing around with SQLCMD and I realized something I hadn’t known. I’ve...
Forums
Increment a number in a SQL Query based on a value
I have an issue where I have a Bill of Material list of items...
Follow Your Hunch
Comments posted to this topic are about the item Follow Your Hunch
What Happens When You Ask a Local AI to Query Your Database?
Comments posted to this topic are about the item What Happens When You Ask...
Question of the Day
Detecting Characters
I have a SQL Server 2022 English default installation on a server. I want to detect if there are any upper case characters in rows and I have this code:
SELECT CustomerNameID,
CustomerName
FROM dbo.CustomerName
WHERE CustomerName = LOWER(CustomerName)
Here is the sample data I am testing with:
CustomerNameID CustomerName 1 John Smith 2 Sarah Johnson 3 MICHAEL WILLIAMS 4 JENNIFER BROWN 5 david jones 6 emily davis 7 Robert Miller 8 LISA WILSON 9 christopher moore 10 Amanda TaylorHow many rows are returned? See possible answers