transaction deadlock sql server

,request_mode,request_status,request_type,request_lifetimefrom sys.dm_ Tran_locks where resource_database_id=db_id () and [email protected] @SPIDrollback Tran--All requested resource information Select Request_session_id,resource_type,resource_description,request_mode,request_status,request_ Type,request_lifetime,request_owner_type,resource_associated_entity_id,lock_owner_addressfrom sys.dm_tran_locks where resource_database_id=db_id () Order by request_session_id--According to Sys.dm_tran_locks

Label:Begin transaction--Start TransactionDECLARE @errorSun INT--Define error countersSET @errorSun = 0--yes, 0.UPDATE dbo. Test SET testname= ' 232 'WHERE testid=1--transaction operation SQL statementSET @[email Protected][email protected] @ERROR--whether the accumulation is wrong--waitfor delay ' 0:2:0 '--Delay 2 minutesUPDATE dbo. Testcustorm SET testnickname1

END GO BEGIN TRY SELECT GETDATE () SELECT 1/0--evergreen divide by zero example! END TRY BEGIN CATCH SELECT ' There is an error! ' + error_message () RETURN END CATCH; 2. The function table that obtains the error message:The following system functions are valid in the CATCH block. Can be used to get more error messages: function Description Error_number () Returns the error number of the e

Tags: blog http io strong SP on log CTIGet ready:CREATE TABLE Nums (X int);Purpose: Inserts only one row into the table.--------------------------------------------------------------------------------------------------------------- ----------------------　　BEGIN TRANSACTION Tran_a-it is best to define a name for the transaction.Insert into Nums (X) VALUES (9);　　　　Save Transaction Save_tran; --Define a savepo

The SQL Server replication divides large transactions into small transaction distribution methods. In SQL server replication, when a large transaction is executed in the published database, for example, 100,000 or more data is ope

. there is a SQL Server Agent service in SQL Server that has a " job function ", much like a timer trigger , using a " job " to execute a specific T-SQL statement or process at a specific time is an efficient and effective method . 2. Generate forecast Control Table

Msdn provides a good explanation of transaction and error handling. If you have any questions, you can check that. Here we will extract some important words. "If an error prevents the successful completion of a transaction, SQL Server automatically rolls back the transaction

information, see Considerations for switching from the full or bulk-logged recovery model. In SQL SERVER 2008, BACKUP log with truncate_only is no longer supported, and to shrink the database log, you first need to truncate the file by setting the database recovery mode to simple. The statements are as follows: --BACKUP log TestDB with no_log UseTestDB; GO --Truncate The log by changing the database rec

The SQL Server transaction log may be filled, which blocks subsequent database operations, including update, DELETE, INSERT, and checkpoint. Full transaction log fills can cause 1105 errors: Can ' t allocate space for object syslogs in database dbname because The logsegment is full. If you are ran out of spaces in s

. Active_backup_or_restore: Data backup or restore in progress, preventing log truncation 5. Active_transaction: Transaction is active 6. Database_mirring: Database mirroring is paused or the repository log is behind the main library The above is the enumeration value used by version 2008, and after SQL Server 2012, a new enumeration value is used 0 = None1 = Che

successful repair ( turn off other query windows if an error occurs ) ALTER DATABASE Bigdata_testinfo set Multi_userYou refresh the database and you find out, okay ~ Scared to the point, quickly check the data there is no problem (formerly) The size of the wood is also changed Expand: Someone attached to the time found ... Tips for rejecting xxx Uh.. is actually not open permission: Leave the current user's permission open and OK. If y

under database a Dbo.prtesta EXEC dbo. Prtesta The following error will appear: The context of the transaction is being used by another session. I believe you already understand what is called loopback link Server , when we change the dbo.prtestb of the stored procedure in database B to cross-library access, such as: SELECT * from B.dbo.test The problem is solved. Therefore, you must pay attention to avoi

Label: Method One: Use [master] GO ALTER DATABASE dnname SET RECOVERY simple with no_wait GO ALTER DATABASE dnname SET RECOVERY Simple--Easy mode GO Use Dnname GO DBCC shrinkfile (N ' Dnname_log ', one, truncateonly) GO Use [master] GO ALTER DATABASE dnname SET RECOVERY full with no_wait GO ALTER DATABASE dnname SET RECOVERY Full--Revert to complete mode GO Method Two: Error: Database .... The

Label:This article was reproduced from: http://www.cnblogs.com/sky_Great/archive/2013/01/09/2852417.html SQL Normal Transaction begin TransactionTRDeclare @error int; Set @error=0; Select * fromCar_brandSet @error=@error+@ @ERROR Select 1/0 Set @error=@error+@ @ERROR Select * from AreaSet @error=@error+@ @ERROR Print 'I have executed!' Set @error=@error+@ @ERROR Print '@ @error:'+cas

Tags: BSP span end pre appear ROM transaction user begin ----View additions and deletions do not affect the underlying table ----view does not allow repeating columns Create Viewhaha--Create a View as SelectStudent.*, Score.cno,score.degree fromStudent,scorewhereStudent. Sno=Score.snoSelect * fromhaha----Business begin Tran Insert intoUsersValues('Zhao Four','c002') Insert intoUsersValues('Zhao','c001') if @ @error>0 begin rollback Tran; En

Problems caused by concurrent transactions issues description results NBSP;NBSP td> fix Missing updates A read-B read-A change-B change A change is missing READ UNCOMMITTED Dirty Read A change-B read-a rollback B- Read Invalid value READ COMMITTED Non-stressed A Read-B change -A Read A- Read inconsist

is 0 rollback Tran--rolling back things Else Commit Tran--Submit Things --three paradigms of---database design --1. The values in each column are single --2. Meet 1, each table must have a primary key --3. Satisfy 2, the foreign key table only appears in the primary key table in the primary key column, the other columns do not appear. When there are three columns in a table and more of the data is often duplicated, you need to take these columns out to create a separate table --set a primary

Tags: style blog http os io ar strong for dataHttp://www.cnblogs.com/Kymo/archive/2008/05/14/1194161.htmlLet's take a look at the SQL Server Online Help related instructions begin Transaction: marks the starting point for an explicit local transaction. BEGIN TRANSACTION