mdf file in sql server

SQL Server Enterprise Platform Management Practice reading notes--sql data file space usage and management in server1. Table and index storage structureBefore SQL Server2005, a table was stored in a B-tree or a heap. Each B-tree or heap has a record corresponding to the sysi

file is the database data file, LDF is a database log file.Example:Assume that the database is test, the data file is test_data.mdf, and the log file is test_log.ldf. Next we will discuss how to back up and restore the database.Remove Database: sp_detach_db ' Test ' Connect to the database: sp_attach_db '

example, allocate a file to each disk on the disk array, and then distribute the mdf data to each file, when I read the data, I connected the data in series to make full use of the access efficiency of the disk array. We have never encountered these two problems (the conditions are not met), but they are almost fatal when developing large services. 3. Query

, for example, allocate a file to each disk on the disk array, and then distribute the MDF data to each file, when I read the data, I connected the data in series to make full use of the access efficiency of the disk array. Fortunately, we have never encountered these two problems (the conditions are not met !), However, this is almost fatal when developing

This series of articles I saw in the sqlskill.com's PAUL blog, many misunderstandings are more typical and representative, the original from the T-SQL Tuesday #11: Misconceptions about... EVERYTHING !!, Our team has translated and organized the documents and published them on AgileSharp and blog. Hope to help you. Misunderstanding #3: instant file initialization can be enabled in

This series of articles is I sqlskill.com Paul's blog to see, many misunderstandings are more typical and representative, the original from T-SQL Tuesday #11: Misconceptions about .... EVERYTHING!!, through our team's translation and collation published in Agilesharp and blog Park. Hope to help you. Myth #3: Instant file initialization features can be turned on and b in

Detailed description of SQL Server database status and file status, SQL Server Database status (database states) Query the current status of the database: 1. query the status of all databases by using the state_desc column in the sys. databases directory View user mastergose

@filename =replace ( @filename, ' $ ', ') set @filename =replace (@filename, ' ', ')--filter These special characters, replace the new file name Set @newFilePath =dbo. Getdirectorypath (@filePath) + ' \ ' + @filename--New path name ( Gets the file directory dbo according to the path. Getdirectorypath method --============================================= --Author: Paul Gr

Label:"SQL System.Data.SqlClient.SqlError: Unable to overwrite file ' C:\Program Files\Microsoft SQL Server\mssql\data\itsm_" When restoring a database backup Data.mdf '. The database ' my1 ' is using the file ' problem.Cause: When restoring a database backup

Original: SQL Server Enterprise Platform Management Practice book Notes--sql Server database file allocation method1, file allocation methods and file space Check methodThe most common

Yesterday, I encountered a very strange file. SQL Server was well-used. I don't know how to suddenly see this error. I thought it was because SQL Server had missing any files and I re-installed it again, as a result, all the registries and temporary files are cleared and re-

SQL 2000 does not know what is going on. When the Enterprise Manager is started, "MMC cannot open the file C:/program files/Microsoft SQL Server/80/tools/binn/SQL Server Enterprise Manager. MSC "error message, which provides a sol

February 6, 2008 by pinaldave This is very common request recently-how to import CSV file into SQL server? How to load CSV file into SQL Server database table? How to load comma delimited fil