sql suspect database repair

Label:Recently, Jinan with Yue Technology received a lot of customer consultation SQL database corruption, additional database error problems, here to tidy up the Sqlsever database some common fault phenomena and precautions.At present, the large and medium-sized enterprises use Sqlsever application is very much, but f

time the same select query will return results directly from the cache pool, this value can be multiplied appropriately open_files_limit = 1024x768 #打开文件数限制 If show global status like ' Open_ Files ' view value is equal to or greater than Open_files_limit value, the program cannot connect to the database or the card is deadMyISAM parameter Default value:key_buffer_size = 16m# Index buffer size, general setting of physical memory 30-40%read_buffer_siz

look at the implementation of Oracle's load Balancing scheme.Real application clusters is a dual-machine parallel server (8i and previous version called Oracle Parallel Server,ops) to enable multi-machine shared databases in a clustered environment to ensure high availability of applications. Meanwhile, parallel processing and load sharing can be realized automatically, and the error-free and non-breakpoint recovery of database can be realized. It au

DatabaseTry again, log on with aa, and switch to DB_testThe result is that the logon is successful, and the same error occurs when accessing DB_test as that in Test 1.For SQL Server Error '80040e37'The object name 'DV _ user' is invalid. /***. Asp, line * First, I checked the database table. This table exists, and the calling statements in the program are correct.After rewriting the code, the result is sti

"Enabling support for physical memory above 4GB" in Windows Server 2003 and SQL Server 2005 for details.First, SQL database CPU bottleneckThere are a number of States for a worker process for SQL Server, with 3 main states running (RUNNING), operational (RUNNABLE), and suspended (suspened).You can determine the CPU bo

1. An error occurred while attaching the database to SQL Server.1. Exception: when the server is running normally, a sudden power failure causes damage to the database file. The specific performance is as follows: the database name is followed by the word "(suspect.2. Except

.........:' + Convert(varchar( -),@ @SERVERNAME) Print 'Instance ............:' + Convert(varchar( -),@ @SERVICENAME) 6. View all database names and sizes sp_helpdb7. Renaming a database with SQL Sp_renamedb'Old_dbname','New_dbname'8. View all database user login information sp_helplogins9. To view the ro

is no relationship between the read and write content. So the 823 error has nothing to do with SQL Server itself. This error is usually caused by physical file corruption, but it can also be caused by a device driver. If there is a 823 error on a data file, either the hardware is out of place or the data file has been badly damaged. This error basically means that the valid data in the data page has been lost, the general dbcccheckdb is difficult to

your user ID and password to authenticate access to the development database. Similarly, please check whether SSE is using Windows Authentication or SQL authentication (the installation in Chapter 1th has stated that SSE should use Windows authentication). · Database schema--Understanding the schema of the database.

Tags: des style http color io os using AR forHow to completely uninstall the SQL Server database is not easy to install the SQL Server 2012 database, but can not connect to the local database, and later found that the lack of some services, then decided to reinstall, but the

First, place the file to be restored in the DATA file in ms SQL, and enter the ms SQL master database server. 1. We use the default method to create a database for recovery (such as MHDYF2005 ). It can be created in SQL Server. 2. Stop the

Customer Database error Contact us, our engineers get customer data, the database DBCC CHECKDB repair, reported "MSG 211, Level 23, State 51, line 1thSchema corruption may have occurred. Please run DBCC CHECKCATALOG. ”message 0 , Level - , the State 0 , the first 0 LineA critical error has occurred with the current command. Any results that may result should be

Organize a few sections of common C # code that operates on SQL Server Mobile databases for reference by a friend who has just contacted SQL Server Mobile development.1. Create a databaseCreate a databaseFile.delete ("Test.sdf");SqlCeEngine engine = new SqlCeEngine ("Data source= ' test.sdf '; lcid=1033; Password=\ "S$;2 '!ds64\"; Encrypt=true; ");Engine. CreateDatabase ();2. Verifying and repairing the dat

This article mainly summarizes the operation tips such as pending operations, shrinking databases, compressing databases, and transferring databases to new users with existing user permissions, checking backup sets, and restoring databases during installation. 1. suspend the operation When installing the SQL or SP patch, the system prompts that a pending installation operation is required. Restart is often useless. solution: Go to HKEY_LOCAL_MACHINE \

SQL Server agent operator. This task is the only database maintenance task that does not encapsulate Transact-SQL statements or DBCC commands. It is best to perform maintenance plans in a certain order, first by checking database integrity, then by shrinking the database, b