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SQL Server databases - checkpoint, cache and I/O request - what you need to know?

Published 22 April 8 1:51 PM | SSQA.net

Have you ever wondered about flushing databases? Well not quite possible to flush it straight away and not a best practice too on the live server, so what it is about and you need to know about transactions state when they occur. Say when the changes...

Filed under: sql server, performance, msdn, backup, blogs, database, transaction log, cache, i/o, flush, monitoring, checkpointl

SQL server Temporary Tables, Table Variables and Recompiles - interesting scenario

Published 17 January 8 2:23 AM | SSQA.net

Usage of Temporary tables or variables is a common scenario in SQL Server world, since SQL Server 2005 usage of TEMPDB references to the blog posts here: http://sqlserver-qa.net/blogs/tools/archive/2007/04/05/sql-server-index-optimization-best-practices...

Filed under: sql server, performance, msdn, blocking, maintenance plan, tempdb, tablesample, best practice, monitoring, FAQ, benchmarking, table variable, temp tables

New whitepaper available on Analysis Services Many-to-Many Dimensions: Query Performance Optimization Techniques

Published 2 January 8 6:36 AM | SSQA.net

Got this update from SQLCAT blog on MSDN about new whitepaper on Analysis Services many-to-many dimensions that helps in MDX query performance optimization steps you need to take care. Many-to-many dimension relationships in SQL Server 2005 Analysis Services...

Filed under: sql server, performance, msdn, bi, download, optimization, whitepaper, Analysis Services, sqlcat

"A significant part of sql server process memory has been paged out. This may result in a performance degradation." - what it is about?

Published 24 July 7 3:25 AM | SSQA.net

As you might come across this BlogPost here but still there are more doubts to be cleared on the reasons for granting Lock Memory in Pages option to the SQL server instance. There is still lot of confusion over there to check whether lock memory in pages...

Filed under: performance, memory, msdn, security, schema, lock, pages

Having 'black-box' recorder for SQL Server!

Published 2 July 7 3:34 AM | SSQA.net

Say you have a serious performance problem and few times you will have assertion issue with a dump files creation, in real world say this can be matched to a airplane crash. Where you will know the sequence of events from Black-box records in the flight...

Filed under: sql server, profiler, performance, msdn, blogs, trace, black-box

Using Application roles and security - SQL Server 2005

Published 19 June 7 3:30 PM | SSQA.net

In SQL Server, you can create database roles for easier administration of permissions in a database. Instead of granting individual permissions to each user separately, you can group users with the same permission needs by making them members of the same...

Filed under: application, sql server, performance, msdn, security, roles