Ignoring NULLs with FIRST_VALUE
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The SQL Server FIRST_VALUE function makes it easy to return the "first value in an ordered set of values."
The problem is that if that...
2018-08-28
14 reads
Watch this week's video on YouTube
The SQL Server FIRST_VALUE function makes it easy to return the "first value in an ordered set of values."
The problem is that if that...
2018-08-28
14 reads
Watch this week's video on YouTube
Last week I needed to write a recursive common table expression. I've written them before, but it's been a while and needed to visit...
2018-08-21
9 reads
Watch this week's video on YouTube
Last week I needed to write a recursive common table expression. I've written them before, but it's been a while and needed to visit...
2018-08-21
17 reads
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One of the things that the SQL Server query optimizer does is determine how to...
2018-08-16 (first published: 2018-07-31)
3,774 reads
This post is a response to this month's T-SQL Tuesday #105 prompt by Wayne Sheffield. T-SQL Tuesday is a way for the SQL Server community to share ideas about...
2018-08-14
2 reads
This post is a response to this month's T-SQL Tuesday #105 prompt by Wayne Sheffield. T-SQL Tuesday is a way for the SQL Server community to share ideas about...
2018-08-14
9 reads
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I write a lot of dynamic SQL and frequently encounter variables that contain many characters:
DECLARE @LongValue NVARCHAR(MAX) = CAST('' AS NVARCHAR(MAX)) +
N'SELECT
...
2018-08-07
7 reads
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I write a lot of dynamic SQL and frequently encounter variables that...
2018-08-07
375 reads
Watch this week's video on YouTube
I write a lot of dynamic SQL and frequently encounter variables that contain many characters:
DECLARE @LongValue NVARCHAR(MAX) = CAST('' AS NVARCHAR(MAX)) +
N'SELECT
...
2018-08-07
20 reads
Watch this week's video on YouTube
One of the things that the SQL Server query optimizer does is determine how to retrieve the data requested by your query.
Usually it does...
2018-07-31
7 reads
Reading tutorials is fine. Shipping something is better. If you are trying to break...
By Steve Jones
We work hard at Redgate, though with a good work-life balance. One interesting observation...
By Arun Sirpal
Fourth in a series on Ai and databases. What Read-Only Advisory Actually Means A...
Comments posted to this topic are about the item Liability for AI Errors
Hello , I would like to run a stored procedure on a secondary replica...
Comments posted to this topic are about the item Pro SQL Server Internals
I run this command to start SQLCMD:
sqlcmd -S localhost -E -c "proceed"At the prompt, I type this (the 1> and 2> are prompts):
1> select @@version 2> goWhat happens? See possible answers