By SQLRx Admin | SQL Administration , SQL Server , Tip of the Month
(SQL 2008 R2 and SQL 2012) Use the new dynamic management view sys.dm_server_services to see information about SQL Server services such as when service last started, running status, service account, etc… For more information, check out Books Online or http://msdn.microsoft.com/en-us/library/hh204542.aspx
Continue readingBy SQLRx Admin | SQL Administration , SQL Server , Tip of the Month
Get a list of CLR’s registered to a database. This is helpful when migrating or troubleshooting. For more information on CLR’s check out Books Online or http://msdn.microsoft.com/en-us/library/ms131089(SQL.100).aspx SELECT o.name AS ObjectName, a.name AS Assembly, o.type_desc AS ObjectType FROM sys.assembly_modules am JOIN sys.objects o ON am.object_id = o.object_id JOIN sys.assemblies a ON a.assembly_id = am.assembly_id […]
Continue readingBy SQLRx Admin | SQL Maintenance , SQL Server , Tip of the Month
Many times when upgrading SQL Server or migrating to new hardware, it is necessary to rename the server when it’s ready to be used as production. However, if any maintenance plans created before the server was renamed are still present after the rename, you may find that trying to delete the old jobs results in […]
Continue readingBy SQLRx Admin | Helpful Scripts , SQL Server , Tip of the Month
Your SQL database uses statistics to choose the most efficient plan for retrieving or updating data, so you want them accurate and up-to-date. Otherwise, it can cause the SQL Server engine to take the wrong path, and taking the wrong path means slower performance. Check out the code below to see when your stats were last […]
Continue readingBy SQLRx Admin | Helpful Scripts , SQL Administration , SQL Maintenance , SQL Server , Tip of the Month
Every DBA has encountered a database that has a mystery statement that will unexpectedly cause either the transaction log or a table to grow out of control and fill the drive. Here is a way to find out who is running what statement that is causing the problem. Find out what statements are causing database […]
Continue readingBy SQLRx Admin | SQL Administration , SQL Maintenance , SQL Server , Tip of the Month
Databases will go into suspect state for a multitude of reasons. If you find your database in SUSPECT state, check all error logs and the Windows Event Log for any related errors, and try to resolve them. This is a disaster situation! Refer to the script below for help. SQL Server Administration: You can try to […]
Continue readingBy SQLRx Admin | SQL Administration , Tip of the Month
Disk performance is a common issue on SQL Server systems. In these situations, it is very useful to know how much SQL Server is waiting for I/O and what files are handling the most work or experiencing the poorest performance. The virtual file stats DMF provides this information and is ideal for periodic captures, e.g., […]
Continue readingBy SQLRx Admin | Miscellaneous , SQL Administration , SQL Server , Upgrade
If you performed an in place upgrade of your SQL Server, your master database may be at a lower compatibility level than all of the other system databases. This was done by conscious decision from Microsoft in an attempt to make for a smooth upgrade and ensure that existing applications can still function post upgrade. […]
Continue readingBy SQLRx Admin | Helpful Scripts , SQL Administration , SQL Server , Tip of the Month
Database backups are a critical part of SQL Server disaster planning. It’s also critical to know
that your backups are viable.