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17 April,2014 by Jack Vamvas
Question: How can I set and check the isolation level READ_COMMITTED_SNAPSHOT ? I executed the command and it’s still running after 60 minutes, I’m worried I may have corrupted the database
Answer: You probably haven’t corrupted the database, but the command you’re running is blocked by another active connection. SQL Server Books Online states that no other connections to the database are allowed while the command is executing. Although single-user mode is not required.
Use sp_who2 to see who else is connected to the database. Read How to detect and troubleshoot blocking and deadlocks
--to set read_commited_snapshot ON ALTER DATABASE [MY_DATABASE] SET READ_COMMITTED_SNAPSHOT ON --to check if read_commited_snapshot is on select name,is_read_committed_snapshot_on from sys.databases where name = 'MY_DATABASE'
Read More
SQL Server - How to find Open Transactions
SQL Server - How to improve Execution Plan Reuse
SQL Server – How to troubleshoot a slow running query
Author: Jack Vamvas (http://www.sqlserver-dba.com)
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