Data Compression Double Take
A lot has been written about the potential performance benefits of SQL Server data compression; but hard performance data? Not so much.
2012-03-05
267,356 reads
Tony Davis
- Interests: football, modern literature, real ale
Data Compression Double Take
A lot has been written about the potential performance benefits of SQL Server data compression; but hard performance data? Not so much.
2012-03-01
333 reads
Testing times
Databases are unique in IT that they are singularly resistant to 'best practice' advice. Any such advice can never be anything other than a starting position for tests in your own environment.
2012-01-23
62 reads
Virtualization and the existential angst of the DBA
Tony Davis reflects on the existential angst felt by the DBA separated from his or her hardware.
2011-12-19
107 reads
Gold in the Execution Plan hills
There's more information hidden behind those graphical plans than you might first suspect.
2011-10-31
219 reads
Where are all the MVBs?
Whereas there are plenty of experts prepared to help with the technology, few seem to come forward when the struggle is against the bureaucracy rather than a recalcitrant server. Where are all the SQL MVBs (Masters at Vanquishing Bureaucracy) when you need them!?
2011-09-26
133 reads
Being an extremely productive DBA
In order to gain better support for learning and training opportunities, the DBA needs to prove a direct link to productivity and results, in words and numbers the CEO will understand.
2011-07-18
260 reads
Cloud Barriers
I'd like to hear the thoughts of DBAs out there on Windows and SQL Azure, and the prospects of moving applications and databases into the clouds. How many DBAs work for companies that have done it or are seriously considering it? What are the deepest concerns?
2011-07-04
86 reads
DBAs on ACID
Any DBA who has been bitten by these subtle data integrity issues, or reports that erratically produce the wrong results, will know how much careful testing is involved in mitigating them.
2011-04-04
269 reads
Let the optimizer drive
For many, there is something disconcerting in the idea of the Query Optimizer; they crave control, but it really is best to take a back seat and let the Optimizer do its job.
2011-02-07
193 reads
Blogs
From Data Custodian to Innovation Catalyst: The Evolving Role of the CDO
By Chris Yates
There was a time when the Chief Data Officer lived in the shadows of...
Down the Rabbit Hole: Dealing with Ad-Hoc Data Requests
By Rayis Imayev
"But I don’t want to go among mad people," Alice remarked."Oh, you can’t help...
Adding a Local Model to Ollama through the GUI
By Steve Jones
I saw some good reviews of the small gemma3 model in a few places...
Forums
Create an HTML Report on the Status of SQL Server Agent Jobs
Comments posted to this topic are about the item Create an HTML Report on...
We Should Demand Better
Comments posted to this topic are about the item We Should Demand Better
Estimated Rows
Comments posted to this topic are about the item Estimated Rows
Question of the Day
Estimated Rows
I have two calls to the GENERATE_SERIES TVF in this code:
SELECT TOP 10 gs.value FROM GENERATE_SERIES(1, 10) AS gs ORDER BY NEWID () OPTION (RECOMPILE); go DECLARE @a int = 10; SELECT TOP (@a) gs.value FROM GENERATE_SERIES(1, @a) AS gs ORDER BY NEWID () OPTION (RECOMPILE);In the actual query plans, what is the estimated number of rows for each batch? See possible answers