As each year goes by the uptime requirement for our databases gets larger and larger, meaning the downtime that we have to do maintenance on our databases is getting smaller and smaller. This tip will look at a feature that was introduced in SQL Server 2005 that allows us to leave our indexes online and accessible while they are being rebuilt.
2012-02-08
4,386 reads
2012-02-07 (first published: 2010-09-08)
9,755 reads
This article has a T-SQL function to detect the SQL Agent job state.
2012-02-07
9,620 reads
In general XML documents or fragments are held in strings as text markup. In SQL Server, XML variables and columns are instead tokenised to allow rapid access to the data within. This is fine, but can cause some odd problems, such as ' entitization'. What do you do if you need to preserve the formatting? As usual Rob Sheldon comes to our aid.
2012-02-07
4,207 reads
The TSQL aggregate function SUM() gives a number based on the addition of the values of multiple rows to each other. Do the same thing but with multiplication instead of addition.
2012-02-06
10,357 reads
The challenge is to find the Episode and Sequence based on interval.
2012-02-06
1,282 reads
One of the more popular counters used by DBAs to monitor SQL Server performance, the Buffer Cache Hit Ratio, is useless as a predictor of imminent performance problems. Worse, it can be misleading. Jonathan Kehayias demonstrates this convincingly with some simple tests.
2012-02-06
2,967 reads
This article takes a closer look at SQL Server getdate() and sysdatetime() functions.
2012-02-03 (first published: 2010-05-12)
27,837 reads
A benefit of using computed columns is that they can save developers from having to write calculation logic at the application layer; at the table level, the application can simply reference the computed column. In addition, performance can be improved by persisting a computed column and building an index on it.
2012-02-03
2,708 reads
Learn how to post a Twitter status update with 5 lines of T-SQL using a third party library.
2012-02-02
2,273 reads
Programmatic Tool Calling with the Claude SDK Every morning somebody on the team runs the...
By Steve Jones
mauerbauertraurigkeit – n. inexplicable urge to push people away, even close friends whose company...
By Brian Kelley
Pinal Dave wrote up his methodology for what to do when you discover bad...
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