Find Isolation Level of transaction and Database | SansSQL

Monday, May 29, 2017

Find Isolation Level of transaction and Database

Find Isolation level of a transaction
SELECT  session_id AS SessionID, 
  program_name AS ProgramName,
  DB_NAME(database_id) AS DatabaseName, 
  CASE transaction_isolation_level 
   WHEN 0 THEN 'Unspecified' 
   WHEN 1 THEN 'ReadUncommitted' 
   WHEN 2 THEN 'ReadCommitted' 
   WHEN 3 THEN 'Repeatable' 
   WHEN 4 THEN 'Serializable' 
   WHEN 5 THEN 'Snapshot' 
  END AS Transaction_Isolation_Level
FROM sys.dm_exec_sessions

Changing the Transaction Isolation level
Using the below statement the isolation level of a transaction can be changed.

Isolation Level
  • Read uncommitted
  • Read committed
  • Repeatable read
  • Serializable
  • Read committed snapshot
  • Snapshot
SET TRANSACTION ISOLATION LEVEL <<Isolation Level>>

Find Isolation level of a Database
USE <<Database Name>>
GO
DECLARE @UserOptions TABLE ([Set Option] NVARCHAR(50), [Value] NVARCHAR(50))
INSERT INTO @UserOptions Execute ('DBCC USEROPTIONS')
SELECT * FROM @UserOptions WHERE [Set Option] = 'isolation level'

You can download the script from here.

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Finding the isolation level of a transaction and database is crucial for ensuring data integrity and consistency. Understanding the level of isolation helps in managing concurrency and avoiding conflicts in multi-user environments. Additionally, it provides a clear understanding of the transaction behavior, allowing developers to optimize performance and resource usage. For anyone looking for assistance with their assignments, there are reliable services available where you can pay someone to do my assignment. These services provide expert help, ensuring high-quality work while allowing you to focus on other important tasks.

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