Database Performance Transparency
Describes the benefits of publishing instance performance metrics including a script to generate HTML-based Performance Snapshot.
2012-02-08
6,948 reads
Articles
Rebuilding SQL Server indexes using the ONLINE option
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)
9,754 reads
TSQL function to detect SQL Agent job state
This article has a T-SQL function to detect the SQL Agent job state.
2012-02-07
9,612 reads
Converting String Data to XML and XML to String Data
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
Aggregate Function Product()
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
10,347 reads
TSQL Challenge 75 - Find the Episode and Sequence based on interval
The challenge is to find the Episode and Sequence based on interval.
2012-02-06
1,272 reads
Great SQL Server Debates: Buffer Cache Hit Ratio
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
Do you know your getdate()?
This article takes a closer look at SQL Server getdate() and sysdatetime() functions.
2012-02-03 (first published: 2010-05-12)
27,829 reads
A Computed Column Defined with a User-Defined Function Might Impact Query Performance
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
Blogs
SQL Server Security – TDE Encryption
By Vinay Thakur
Transparent Data Encryption(TDE): TDE was initially introduced in SQL Server 2008 Enterprise Edition; this...
A Las Vegas Break
By Steve Jones
Only a little break for me. I’m actually heading to Las Vegas today for ...
Finding Balance: Things Will Come Up
By Steve Jones
I have a presentation on finding balance in your career that got quite a...
Forums
The day-to-day pressures of a DBA team, and how we can work smarter with automation and AI
Comments posted to this topic are about the item The day-to-day pressures of a...
This Week's AI Trust Problem Became Everyone’s Problem
Comments posted to this topic are about the item This Week's AI Trust Problem...
Migrate SSRS Reports to PowerBI Report Server in SQL Server 2025
Comments posted to this topic are about the item Migrate SSRS Reports to PowerBI...
Question of the Day
Identities and Sequences III
When thinking of the Identity property for auto incrementing columns and sequences for the same action, which can be used with the BIGINT data type?
See possible answers