deadlock issue in sql server

@intCounter @intCountProperties begin --take the first record Select @spid =spid@bl =BL from#tmp_lock_whowhereId= @intCounter begin if @spid =0 Select 'causing the database deadlock is:'+ CAST(@bl as VARCHAR(Ten))+ 'process number, which executes the following SQL syntax' Else Select 'process number spid:'+ CAST(@spid as VARCHAR(T

LocalDB (SQLLOCALDB)LocalDB is a lightweight version of Express, which has all the programmability features, but runs in user mode and features a fast 0 configuration installation and fewer prerequisites required. You can use this version if you need to create and use a database from code in a simple way. This version can be bundled with application and database development tools such as Visual Studio or embedded with applications that require a local database.Express (sqlexpr)The Express versio

Label:Write a stored procedure a few days ago, the stored procedure used a transaction, and then I put some code comments out to debug the wrong, suddenly found a table is locked, the original is the code to create a transaction forget to comment out. This table locks the workaround. In fact, not only the situation described above will lock the table, there are many kinds of scenes will make the table life and Death lock, unlocking is actually very simple, the following with an example to explai

Tags: Profiler deadlock deadlock Trace transactionSQL Server Profiler-Debug DeadlockTracking generic exceptions is simple, but dealing with deadlocks is difficult, with a deadlock message number of 1205 and a severity of 13. The only suggestion that the server can "rerun the

Tags: DDR amp ESC sel EPO system datetime Order AddressViewing with extended events for dynamic viewsSELECT xed.value (' @timestamp ', ' datetime ') as Creation_date, xed.query ('. ') As Extend_event from ( SELECT CAST ([Target_data] as XML) as Target_data from sys.dm_xe_session_ Targets as XT sys.dm_xe_sessions as xs on xs.address = xt.event_session_address WHERE Xs.name = N ' system_health ' and xt.target_name = n ' ring_buffer ' ) as Xml

1. First we need to determine which user is locked in which table. --Query Locked table Select request_session_id spid,object_name (resource_associated_entity_id) tablename A table that contains the SPID and tablename columns is returned after the query. Where the SPID is the process name and TableName is the table name. 2. Knowing which process has locked the table, you need to find the host that locked the table through the process. --Query host name exec sp_who2 ' xxx ' xxx

characteristics of the mode of operation. Trace flags are in the server Remains enabled until it is disabled by executing the DBCC traceoff statement. In the issue of DBCC Traceon Statement, a new connection to the server does not see any trace flags. Once the statement is issued, the connection can see the service All trace flags that are currently enabled in t

Label:In today's article I want to demonstrate how missing indexes on tables in SQL Server cause deadlocks (deadlock). To prepare the test scenario, the following code creates 2 tables, and then 2 tables insert 4 records. 1 --Create a table without any indexes 2 CREATE TABLETable13 ( 4Column1INT, 5Column2INT 6 ) 7 GO 8 9 --Insert a few record Ten INSERT intoTab

Tags: style blog http io using ar strong data SPTurning on deadlock monitoring in the database collects the deadlock conditions that occur in the database. There are 2 ways to open it:1 Turn on 1222 monitoringExecute SQL statement:DBCC Traceon (1222,-1);Then view the deadlock information in the system log.2 Start

PS: Title is a bit long ...When you upgrade SQL Server R2 to SQL Server 2014, you encounter the following rule validation errors: Rs_validdatabaseversion Check that the version of the report server database can be used by a Microsoft

Tags: problem: Mode needs to manage LTE account the Mode editor RosTo resolve an issue that does not have SQL Server authentication enabled:1. Run regedit and go to Registry Editor2. Open: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL server\mssql14. Mssqlserver\mssqls

Issue information: " a network-related or instance-specific error occurred while establishing a connection to SQL Server. The service was not found or could not be interviewed . Verify that the instance name is correct and that SQL Server is configured to agree to a remote c

four necessary conditions of the joint action produced, so according to the general idea, as long as can break one of them, can effectively avoid the production of deadlocks. The following are the processing that can be made for the four prerequisites: Allows concurrent access to resources. Allow resource deprivation for the process. The resources required for the process to be submitted once. The orderly allocation of resources, that is, access to resources in the

paragraph of SQL, only the update Table2 section is run USE testdb; -- Transaction2 BEGIN TRAN UPDATE table2 SET student_name = student_name + 'Transaction2' WHERE id = 1 UPDATE table1 SET student_name = student_name + 'Transaction2' WHERE id IN (1,2,3,4,5) COMMIT TRANSACTION Run again, the first SQL update table2, run the second SQL