sql server clear transaction log

SQL Server database prompts "tempdb" log is full solution, sqlservertempdb Execute SQL statements. Temporary tables are not used in the middle. Prompt server: Message 9002, Level 17, status 2, Row 1 Database 'tempdb' logs are full. Back up the

',@ Physname = 'C: \ Program Files \ Microsoft SQL Server \ MSSQL \ data \ database name. MDF' 5. In order to automatically contract in the future, make the following settings:Enterprise Manager -- server -- Right-click Database -- Property -- option -- select "auto contract" (Sql2005: Property -- option -- Miscellaneous -- Automatic -- automatic shrinking, i

Tags: run right-click Database PNG default transaction file log file LLBObjectiveNext we end up with the last few sections of the SQL Server Basic series, and then we'll talk about SQL Server performance tuning, and we'll get to t

automatically contract in the future, make the following settings: Enterprise Manager -- server -- Right-click Database -- Property -- option -- select "auto contract" -- SQL statement setting method: Exec sp_dboption 'database name', 'autowrite', 'true' 6. If you want to prevent the log from increasing too much in the future Enterprise Manager --

/* When multiple stored procedures are called in a large SQL statement and multiple stored procedures are called in the called stored procedure, after multiple nested calls, if you need to roll back the entire transaction if the primary key is repeated or the business logic is not met, you can use the following mode for processing. You can also directly count data without raiserror. If an error occurs after

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

recommended to truncate logs on the production database unless you have good reasons and are sure enough, or ......You are not responsible for this. Since this method is not safe, I will introduce a security method below.As we all know, SQL Server will automatically cut off the inactive part of the transaction log wh

Label: You can use log shipping to send transaction logs uninterrupted from one database (primary database) to another (secondary database). Continuously back up the transaction logs in the primary database, and then copy and restore them to the secondary database, which basically keeps the secondary database in sync with the primary database. The target

SQL Server divides transaction Log files into multiple VLFVirtual Log files), that is, virtual Log files. 650) this. width = 650; "border =" 0 "src =" http://www.bkjia.com/uploads/allimg/131228/230034D28-0.png "alt =" 112954536.pn

When the log file is full and the SQL database cannot write the file, you can use either of the following methods:One method: Clear logs.1. Open the query analyzer and enter the commandDump transaction database name with no_log2. open the Enterprise Manager and right-click the database you want to compress -- all tasks

DBCC LoginfoDBCC log (' Qssys ', type=2)GoSELECT * from Sys.fn_dblog (null,null)Select [Dirty pages],[minimum lsn],[checkpoint end],[chkpt Begin DB version],[checkpoint begin],operation,context,[log Record length],allocunitname from Fn_dblog (null,null)SELECT * FROM dbo. T_companyaccount with (NOLOCK)Operation: Operations done by the current LSNCURRENTLSN: Serial number uniquely identified in the

Method 1, Sys.dm_tran_session_transactions;Method 2, DBCC OPENTRAN--------------------------------------------------------------------------------------------------------------- ---------------------------------------------Method 1,Sys.dm_tran_session_transactionsSELECT * from Sys.dm_tran_session_transactions;GoPrint out the activity's transactions.Method 2,DBCC OPENTRANDBCC OPENTRANSummarize:From the results can be seen,Sys.dm_tran_session_transactions all current active transactions.DBCC OPENT

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

the log will not increase, it also means that once you have misoperations, there will be no chance to use the log to recover. (For details about how to use logs to restore data, see the FAQ in the essence area) Therefore, it is absolutely not recommended to truncate logs on the production database unless you have good reasons and are sure enough, or ...... You are not responsible for this. Since this metho