SqlServer-QA.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 occur in a database the changes are formed as transactions that are held in buffer pool ...

When do you need data partitioning? The data you see in relational database may need such a strategy if the volume is huge, for instance the data to store event-log information having the schema such as:  [Id]  INT (make this primary key clustered), [Unit_Id]  UNIQUEIDENTIFIER, [EventType_Id]   ...

Long ago, not long ago.... No doubt that many of you might have gone through the error above within your SQL environment, also I see many forum posts out there to resolve the issue. The bottom line of this issue is Hardware and no other issue can contribute such a problem. So this is where DBA's role is enhanced to take care of ...

DBCC UPDATEUSAGE (0);GO Best practice to use DBCC UPDATEUSAGE intermittently and must if you have upgraded the database from SQL 2000 to 2005. The usual working fashion of this DBCC statement is to correct the rows, used pages, reserved pages, leaf pages, and data page counts for each partition in a table or index. If there are no ...

Source: Knowledge BaseProduct: Microsoft SQL Server 2005 Standard Edition & SQL Server 2005 Enterprise EditionNotification Contents: New and All Modifications FIX: The performance of insert operations against a table that contains an identity column may be slow in SQL Server 2005http://support.microsoft.com/kb/940545/en-US

On one of the archive database (using SQL 2005) we have a monthly task to shrink the transaction log during every 1st week of the month, this is required due to clear up the space on one of the drives where the additional transaction log file located (its a long story that we cannot replace the hardware, as they are legacy components associated on ...

I came across interesting post in SSP looking for a way of automating the Database Tuning Advisor tool of SQL Server 2005 with the help of SQLServer Agent. As the originator looking to schedule it on a regular basis to scan a trace (Profiler) file and export the results to a file. I believe this is a good way to avoiding any manual ...

Snapshot backups are introduced in SQL Server 2005 version that uses:  The underlying backup technology creates an instantaneous copy of the data that is being backed up. The instantaneous copying is typically accomplished by splitting a mirrored set of disks or by creating a copy of a disk block when it is written. This ...

On SSP forums I have looked at the question about Update Statistics and AUTO UPDATE STATISTICS option available on a SQL server database; 1> When i say Auto create statistics, what are the columns for which statistics are collected? Are these all columns part of the primary key or just the index statistics?2> What is the difference between ...