Viewing 15 posts - 76 through 90 (of 112 total)
You can query sys.dm_exec_query_stats and check the last_execution_time Column
August 2, 2012 at 11:31 am
By checking the usecount column in sys.dm_exec_cached_plans you can look for plns with value of 1 .duration of a plan staying in the cache depends on the memory available to...
August 1, 2012 at 1:20 am
When a record is marked as ghost in an index page , it is reflected in the header of this page you can check it by running dbcc page m_ghostreccount...
August 1, 2012 at 12:54 am
To increase the performance of DELETE operation the records are not deleted immediately, instead they are marked as ghosted . A background process called ghost cleanup task later removes...
July 31, 2012 at 12:35 pm
when the cached plans are flushed off the cache next time the query is being executed the plan should be generated again which consumes CPU clocks and could have negative...
July 31, 2012 at 11:34 am
Running CHECKDB causes CHECKTABLE,CHECLALLOC and CHECKCATALOG to be run in addition.
these commands execute a very detailed check on the database for example checktable checks the accuracy of computed columns,indexed views...
July 26, 2012 at 12:33 pm
shrinking the data files causes a lot of index fragmentation and a lot of pressure on disk subsystem because it moves data pages from the end of data file to...
July 25, 2012 at 12:25 pm
Index is not rebuilt by shrinking the data files. Because of fragmentation caused by shrinking the data files you need rebuild the indexes to degrag them.and you don't need to...
July 25, 2012 at 12:10 pm
I checked that with DBCC PAGE you were right thanks for your correction
July 24, 2012 at 4:13 pm
In order to increase the tempdb data files number, at first you should make sure there is a need for that.You should check the tempdb data file in peek load...
July 24, 2012 at 3:39 pm
The index fragmentation has a negative impact on index scans.but choosing index scans by optimizer is not due to index fragmentation.in some conditions optimizer uses index scans and this the...
July 22, 2012 at 3:14 am
Unfortunatly I'm a new dba in this company and know nothing about the idea the previous dba had in mind by creating this index. But just changing the clustered index...
July 21, 2012 at 8:11 pm
By reducing the fill factor page splits and so the external fragmentation would be reduced but on the other hand If there is lots of index scan on the...
July 20, 2012 at 11:47 pm
Thanks guys seems I have no other option but using replication:cool:
July 20, 2012 at 2:04 pm
The guys over here want to transfer backups from the replica to a cloud infrastructure which I know nothing about.
they don't want to restore the log backup to that cloud...
July 20, 2012 at 12:39 pm
Viewing 15 posts - 76 through 90 (of 112 total)