database to a consistent state. Important Never delete or move this log unless you fully understand the consequences of performing this operation. Tips Checkpoints create some normal points, and the transaction log is applied from these normal points during database recovery. For more information, see Database Checkpoints (SQL Server). operations supported by
More than one person said that learning technology requires Constant tossing and destruction, such as backup and recovery, you can try to delete files, whether it is log files, temporary files, data files
More than one person said that learning technology requires Constant tossing and destruction, such as backup and recovery, you can try to delete files, whether it is log files, temporary files, data files
Accidental deletion of redo log file group causes startup Database Error ORA-03113
Speaking of more than one person, learning technology requires Constant tossing and destruction. For example, backup and recovery, you can try to delete files, whether they are log files, temporary files, data files, or system files. After deleting the database, you will surely rep
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4. Set the server that you want to apply log shipping as the full recovery model.
5. On the database maintenance plans, right-click on New maintenance plan, select the databases to be logshipping, allowing only one database to be selected at a time.
6. Get rid of the "back" database as part of the "Maintenance plan" to ensure maintenance schedule uniqueness (recommended)
7. Specifies the database log
I usually contact the EBS module is mainly the following: PO, INV, OM. Therefore, it is often necessary to collect the relevant log information. If the interface is reported incorrectly, it is easy to see where the code executes the error from the log.This blog summarizes the methods for collecting several of these logs, along with SQL Trace and FRD log.1. OM Log
The following error occurs when you attach an SQL Server 2000 database to SQL Server 2005 today: An error occurred while appending the database to the server (Microsoft. sqlserver. SMO), the database test cannot be upgraded because it is read-only or has read-only files. Set the database or
Label:This article was reproduced from the blog of Birch Tsaihttp://www.cnblogs.com/lyhabc/archive/2013/07/16/3194220.html explain SQL Server transaction log recordsAs you know, under the full recovery model, SQL Server records the operations that are done by each transaction, which are stored in the transactions log,
The sql2008 shrink log is as follows:
The code is as follows
Copy Code
BACKUP LOG dbname to disk= ' Dbname.log 'DBCC shrinkfile (' Dbname_log ', 1)
But remember to perform two times before you can finally perform the contraction;
Shrink database files (if not compressed, database files do not reduce Enterprise Manager--right--the database you want to compress--all tas
Tags: blog http os using AR for file SP dataAfter AlwaysOn is configured, because there is no use of the full recovery model, the simple or bulk-logged mode is not available, so the log is growing and cannot be emptied using the change recovery modeManual operation shrinking or truncating the log is also invalidAfter reading some articles, it was found that someo
Original: SQL transaction log TransportOverviewYou 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 t
size of 18555KB:FileOutputStream execution time consuming: 12063 hao secondsBufferedoutputstream execution time consuming: 1484 Hao secondsFileWriter execution time consuming: 969 Hao seconds
As can be seen from the above data, it is not good to write a file without buffering the stream bufferedoutputstream,fileoutputstream. When writing 1000000-line files, FileOutputStream is 11094 milliseconds (11 seconds) slower than FileWriter, and Bufferedoutput
needs to be added, it can only be added at the end of the Innodb_data_file_path configuration, and MySQL must be restarted to complete ibdata additions.3. log file (to be supplemented) 3.1 error logPASS3.2 Binary LogPASS3.3 Query LogQuery log records All of the queries in MySQL and opens the function with the "--log[=
server| Data | database
The steps that you must perform when the transaction log expands to an unacceptable limit. The extension of the transaction log will cause the Microsoft SQL Server database to become unusable.
In SQL Server 2000, each database contains at least one data file
value of the number of characters output. Returns False when an error occurs. Compared to the ReadFile () function, the Fpassthru () function needs to open the file first, and then close the file when the data is read.
Fread and file_exists, filesize functions
The Fread function is also a way to read a
Cause Analysis and Solution for SQL Server failure to contract log files, SQL Cause Analysis
An error is reported when the server executes a job that compresses the log file size recently.
One of my batch log shrinking scripts
US
storage, a general_log and Slow_log table is generated in the MySQL schema, which uses the CSV engine by default. It is best to change the secondary engine to MyISAM, but you must close the slow query before you can modify it. Slow_query_log_file =/Path/to/localhost-slow.log Set storage path for slow query log in file format Long_query_time= 10.000000 Set the length of the statement execution that distingu
size is controlled within a reasonable range.How to view:SQL Error Log can be viewed through SQL Server Management Studio or any text editorAlso, if you want to see only the most recent SQL Error Log, and if you don't know the path, you can use the following stored procedure.
Sp_readerrorlog
xp_readerrorl
contains an infrastructure for asynchronous programming that can be used in a single database or an application in a single instance, or in a distributed application.Service Broker provides most of the infrastructure needed to build distributed applications, reducing application development time. Service Broker also makes it easy to scale applications to accommodate the traffic that the application receives.Wcf-sql AdapterWcf-
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