Returning the Top X row for each group (SQL Spackle)
One of the most common T-SQL questions is on returning a ranked result set for each member of a group. Dave Ballentyne brings us a short tutorial on how you can do this in T-SQL.
The SQL Server Pro Awards
Phil Factor is pleasantly surprised by the SQL Server Pro awards, and talks about the thinking behind Down Tools Week.
SQL Server Transaction Log Fragmentation: a Primer
Generally, you will have no need to worry about the number of virtual log files in your transaction log. However, if you use the default settings for 'auto-grow', you can end up with such 'fragmentation' in your transaction log as to affect performance noticably. How can this be avoided? How can you tell it's a problem? What do you do about it? Greg explains.
The Small Print
In today's guest editorial, Phil Factor issues a stark warning against cunning salesmen and hidden costs in cloud computing.
A Tool for the Job
Phil Factor is puzzled by reading how difficult a relatrional database is to use for certain tasks.
Has tempdb grown since the last restart?
Check tempdb to see if it has been autogrown since the last restart. If it has, there may be an opportunity to improve server performance.
Performance Tuning Re-indexing and Update Statistics – A Case Study
Recently we started experiencing a very strange issue in our production reporting environment where the Re-indexing and Update Statistics operation suddenly began taking more than 2 days to complete and was thus causing blockage in the database which in turn caused impairment in application performance.
Human Power
It's incredible what humans can accomplish when they work on a problem with passion. This editorial was originally published on Mar 20, 2008. It is being re-run as Steve is on vacation.
Blogs
5 Starter Projects for Your AI and Data Engineering Portfolio
Reading tutorials is fine. Shipping something is better. If you are trying to break...
The Book of Redgate: Taking Breaks
By Steve Jones
We work hard at Redgate, though with a good work-life balance. One interesting observation...
Database AI Agents: The Read-Only Rule
By Arun Sirpal
Fourth in a series on Ai and databases. What Read-Only Advisory Actually Means A...
Forums
Liability for AI Errors
Comments posted to this topic are about the item Liability for AI Errors
Running a Parameter-Sensitive Stored Procedure on a Secondary Replica
Hello , I would like to run a stored procedure on a secondary replica...
Pro SQL Server Internals
Comments posted to this topic are about the item Pro SQL Server Internals
Question of the Day
Running SQLCMD II
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