USE [AdventureWorks2014]

GO

/****** Object:  View [dbo].[DBlocks]    Script Date: 8/17/2016 6:38:16 PM ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

CREATE VIEW [dbo].[DBlocks] AS

SELECT request_session_id as spid,

db_name(resource_database_id) as dbname,

CASE

WHEN resource_type = 'OBJECT' THEN

object_name(resource_associated_entity_id)

WHEN resource_associated_entity_id = 0 THEN 'n/a'

ELSE object_name(p.object_id)

END as entity_name, index_id,

resource_type as resource,

resource_description as description,

request_mode as mode, request_status as status

FROM sys.dm_tran_locks t LEFT JOIN sys.partitions p

ON p.partition_id = t.resource_associated_entity_id

WHERE resource_database_id = db_id();

GO

SET TRANSACTION ISOLATION LEVEL READ COMMITTED;

BEGIN TRAN

SELECT * FROM [Production].[Product] WHERE Name ='Reflector';

SELECT * FROM [dbo].[DBlocks] WHERE spid= @@SPID

COMMIT TRAN

SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;

BEGIN TRAN

SELECT * FROM [Production].[Product] WHERE Name ='Reflector';

SELECT * FROM [dbo].[DBlocks] WHERE spid= @@SPID

COMMIT TRAN

SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;

BEGIN TRAN

SELECT * FROM [Production].[Product] WHERE Name LIKE 'Reflect%';

SELECT * FROM [dbo].[DBlocks] WHERE spid= @@SPID

COMMIT TRAN