SQL Server query performance optimization analysis transactions and locks (5)

SQL Server query performance optimization analysis transactions and locks (I) SQL Server query performance optimization analysis transactions and locks (ii) SQL Server query performance optimization analysis transactions and locks (III) SQL Server query performance optimization analysis transactions and locks (4) (4) undetected distributed deadlocks execute code in SQL2005 (2008), that is, SQLSERVE

SQL server query performance optimization analysis transactions and locks (I) SQL server query performance optimization analysis transactions and locks (ii) SQL SERVER query performance optimization analysis transactions and locks (III) SQL server query performance optimization analysis transactions and locks (4) (4) undetected distributed deadlocks run code in SQL2005 (2008), that is, SQL SERVE

SQL SERVER query performance optimization-analysis of transactions and locks (1)

SQL SERVER query performance optimization-analysis of transactions and locks (2)

SQL SERVER query performance optimization-analysis of transactions and locks (III)

SQL SERVER query performance optimization-analysis of transactions and locks (4)

(4) undetected distributed deadlocks

Run the code in SQL 2005 (2008), the SERVER space, that is, SQL SERVER query performance optimization-analyze the "Example 1" in transactions and locks (2), that is, the following code, for the U.S. server and the Hong Kong virtual host, see.

Select spid process, STATUS, Logon account = SUBSTRING (SUSER_SNAME (sid),), user machine name = SUBSTRING (hostname ), locked = convert (char (3), blocked), database name = SUBSTRING (db_name (dbid),), cmd command, waittype as wait type, last_batch last batch processing time, number of uncommitted transactions in open_tran from master. sys. sysprocessesspid in (select blocked from master. sys. sysprocesses) and blocked = 0