This tip describes memory pressure issues that can arise from the RESOURCE_SEMAPHORE Waittype and how to find which query or transaction is causing the memory pressure.
2013-01-23
2,543 reads
Sometimes, you have to test out alternative indexing strategies, but the task of creating the candidate indexes would just take too long. Is there another way? Well, yes, why not use the same method the DTA (Database Tuning Advisor) uses, and take the tedium out of the job.
2013-01-22
3,343 reads
Despite NTEXT and TEXT being deprecated in SQL Server for some time they are still both used in production systems. In this article, I will briefly demonstrate the difference between a VARCHAR (MAX), NVARCHAR (MAX) and the NTEXT data types, and the impact on performance from using NTEXT/TEXT.
2013-01-21
6,201 reads
Multi-select parameters give your users control over their reports while reducing the number of reports they have to work with. This example demonstrates how to create a multi-select parameter list and pass the values to a stored procedure that will then populate the report.
2013-01-18
4,259 reads
The error handling of SQL Server has always been somewhat mysterious. Now at last, the THROW statement has been included in SQL Server 2012 that, when combined with the TRY...CATCH block, makes error handling far easier. Robert Sheldon explains all.
2013-01-17
8,709 reads
Following on from the previous TSQL performance tuning article in this series, we now focus on the important topic of T-SQL “Not IN” And “Not Exists “
2013-01-16
7,301 reads
We often need to create similar SSIS packages which contain some common components such as connection managers, data flow components, log providers, event handlers, etc... So do we really need to create a package from scratch each time and add all these commonly used components in each package again and again. Is it possible to create a SSIS package with a basic structure/workflow and common components which can be used as template to create subsequent packages?
2013-01-15
3,372 reads
Developing a backup procedure that makes sure you can do restores should be one of your top priorities as a DBA. In this article Greg Larsen discusses some of the concepts to consider when developing, building and testing a backup strategy.
2013-01-14
3,298 reads
When creating pie charts using data from Analysis Services, having the MDX query calculate and return the percentages along with the counts or sums is extremely efficient. In this tip, we walk through an example of how this can be done.
2013-01-11
3,709 reads
A UDF is very convenient for centralising business logic as we can specify a set of business logic in one UDF which references multiple stored procedures and ad-hoc queries. However, they can lead to significant performance degradation due to their demands on the CPU
2013-01-10
4,126 reads
Your AI is busy. But do you know what it's worth? Most companies can...
By Brian Kelley
I wear many hats in technology, and one of those is as a (cyber)security...
By Steve Jones
We keep adding stuff to Redgate Monitor, and it’s easy to miss some of...
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