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SQL Server Query Time Out

由 霸气de小男生 提交于 2019-12-24 02:23:30
问题 A 3rd party application accessing a SQL Server 2012 database is getting [Microsoft][ODBC SQL Server Driver]Query timeout expired errors after executing for about 20 mins. This is what I see on the database after the application starts receiving the errors: SPID 102 is not shown in the query above. It is another connection from the same application for the same process. I was able to capture some details of this in the screenshot below. It is the one in the topmost row in this screenshot.

What is the relationship between a SPID and a Connection in SQL server?

由 谁说我不能喝 提交于 2019-12-07 05:51:19
问题 Can a SPID be used by two connections, while both connections are open? If a connection is returned to a connection pool, will it hold on to the SPID? 回答1: Can a SPID be used by two connections, while both connections are open? No, each open connection will have its own SPID. If a connection is returned to a connection pool, will it hold on to the SPID? Yes, as long as the connection is open, it will be associated with one SPID. You can test this yourself by querying sys.sysprocesses .

What is the relationship between open SqlConnections in the client app and processes in SQL Server?

由 纵然是瞬间 提交于 2019-12-04 04:21:33
问题 I just tried to make a simple schema change to a table in a SQL Server database (by using the Design tool in SMSS). Whenever I tried to save the change, it kept timing out. I wondered whether this was due to existing connnections which were 'locking' the table. I decided to kill connections as an experiment. I queried master..sysprocesses to get the current spids for that database, and killed them one by one until I was able to save my schema change. (Not very scientific, but I'm far from an

What is the relationship between open SqlConnections in the client app and processes in SQL Server?

由 ╄→尐↘猪︶ㄣ 提交于 2019-12-01 22:14:32
I just tried to make a simple schema change to a table in a SQL Server database (by using the Design tool in SMSS). Whenever I tried to save the change, it kept timing out. I wondered whether this was due to existing connnections which were 'locking' the table. I decided to kill connections as an experiment. I queried master..sysprocesses to get the current spids for that database, and killed them one by one until I was able to save my schema change. (Not very scientific, but I'm far from an expert with SQL Server). Sure enough, when I had killed all the spids (bar the one which was me using
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