数据库备份分离等操作（Database backup, separation and other operations）.doc

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数据库备份分离等操作（Database backup, separation and other operations）.doc

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数据库备份分离等操作（Database backup, separation and other operations）

数据库备份分离等操作（Database backup, separation and other operations） How to restore / fix the MDF file of the MS SQL database 2007-10-30 10:37 [little big] source: programming China Review: 0 forward to: Baidu weight inquiries, Adsense transactions, friendship link exchange, website construction, website design, enterprise site to find 313 Core tip: if the backup of the database of 2 documents, respectively is.LDF and.MDF, open the business manager, right click - all tasks -- additional database in the instance, and then select the.MDF file, you can. If the backup database has 2 files, namely.LDF and.MDF, open the enterprise manager, right-click on the instance -- all tasks -- attach the database, and then select that.MDF file. Or enter in the query analyzer: Sp_attach_db database name, path \ file name.Ldf, path \ file name.MDF SQL Server database backup in two ways, one is to use BACKUP DATABASE to backup database files, and the other is the direct copy of database files MDF and log file LDF way. The following discussion will mainly discuss the backup and recovery of the latter. This article assumes that you can be skilled in using SQL Server Enterprise Manager (SQL Server enterprise manager) and SQL Server Quwey Analyser (SQL Server Query Analyzer) 1, normal backup, recovery methods Normally, we need to backup a database, first first disconnect the database from the running data server, or stop the entire database server, and then copy the file. Unload database command: Sp_detach_db database name The command to connect to the database: Sp_attach_db or sp_attach_single_file_db S_attach_db [@dbname asdbname, [@filename1 asfilename_n [16],... Sp_attach_single_file_db [@dbname asdbname, [@physname asphysical_name This method can be used to restore the SQL Sever7.0 and SQL Server 2000 database file is correct, the key is to be back up MDF and LDF two files in the backup when the MDF file is a database file, LDF database log file. Example： Suppose the database is test, and its