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
348 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
78 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
114 reads
Gold in the Execution Plan hills
There's more information hidden behind those graphical plans than you might first suspect.
2011-10-31
232 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
141 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
269 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
97 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
276 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
208 reads
Blogs
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...
Where Is My SQL Agent? Running Scheduled Jobs Against Azure SQL Database
By gbargsley
One of the first things I review when I inherit a new SQL Server...
AgentDBA vs Critical SQL Server
By Arun Sirpal
It’s 07:43. Someone’s already left a message. “Something’s wrong with the DB server.” You...
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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