Creating a Primary Key in SQL Server, by default creates a Clustered Index. The following statement shows all Primary Keys in current database that are using nonclustered indexes instead of clustered. This might not be necessarily wrong, as a clustered…
DECLARE @BRPS BIGINTSELECT @BRPS=cntr_valueFROM sys.dm_os_performance_countersWHERE counter_name LIKE ‘Batch Requests/sec%’WAITFOR DELAY ‘000:00:01’SELECT (cntr_value-@BRPS) AS “Batch Requests/sec”FROM sys.dm_os_performance_countersWHERE counter_name LIKE ‘Batch Requests/sec%’
The situation where one or more session are blocking one or more sessions each, and the blocked ones block some other session(s) themselves is something that can occur.
You can check the progress of your Backup/Restore/CheckDB with the following statement
SQL Servers keeps record of the corrupted pages it accesses in msdb table dbo.suspect_pages. Note that table only holds 1000 rows. Then again you should not find any records in it whenever querying it!
Following statement can be used to see the last backups of all databases. You get information of last backup’s start time, end time, duration in minutes, hours since last backup both for full and log backups. SELECT db.name,db.recovery_model_desc,d.[Database Backup Start],d.[Database…