For example, if you are trying to attach the database of SQL server 2014 to SQL Server 2008, you will see the following error: While attaching the database, if you see “ The database cannot be opened because it is version XXX” error, then make sure that you are not attaching the database files of the higher version to the lower version. When we copy these files to the default database file location, the user will get the required permissions automatically If none of the above solutions work, copy the database files to the default database file locations.
Sqlectron view table full#
To do that, Right-click the database files Select the security tab select the appropriate user and grant full control to the user Run SQL Server management studio as an administrator and attach the databaseĮxplicitly grant full control access to the MDF file and LDF file of the database. This can be fixed by any of the following methods: You might face an error “ unable to open physical database file Operating system error 5: Access denied” This error occurs because of the lack of the permissions on the database file or log files. While attaching the database, you might encounter any of the following errors: Troubleshooting errors while attaching the MDF files WITH ATTACH” command is as filename2 = 'C:\MSSQL\SQLLog\AdventureWorks2017_log.ldf' WITH ATTACH” or “ exec sp_attach_db” T-SQL commands. We can also attach the database using “ CREATE DATABASE. Once the database attaches successfully, you can view the database in object explorer. See the following image:Ĭlick on OK to attach the database. On attach database file dialog box, you can review the database details in “ Database to attach” and database file details in the “ AdventureWorks2017 database details” box. Select the desired database file and click OK. By default, the “ locate database files” dialog box uses the default database file location, but you can navigate to the other location of the database file or provide the location in the “ database data file location” textbox. On locate database dialog box (Screen 2), locate the database MDF files which you want to use to create the database. On the Attach Database dialog box, click on Add (Screen 1). To attach a database using SSMS, first, open SSMS connect to the database engine Right-click on “databases” select “Attach.” See the following image: We can attach the SQL Server database files using the following methods: In “Path” and “File Name” columns show the location of the database files. To view the database files location using SQL Server management studio, open SSMS Connect the database engine Expand databases right-click on “ WideWorldImportors” Select properties. Select db_name ( ) as, type_desc as, physical_name as from sys. Now to obtain the location of database files from sys.master_files DMV, execute the following query. The difference is between sys.master_files provides the physical location of all the databases and sys.database_files provides the information of the specific database.įor the demonstration, I have restored the “ WideWorldImportors” demo database. We can obtain the location of the database files by querying sys.database_files and sys.master_files dynamic management views.
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How to find the location of the MDF files LDF file has all the information that can be used to recover a database. It stores the changes made in the database by insert, update, delete, etc. For example, if you want to keep the tables on X drive and indexes on Y drive, then you can keep the tables on the primary data file and indexes on the secondary data file. Secondary data files are useful when we want to stripe the data across multiple drives of the database server. The purpose of the primary data file and secondary data file (.ndf file) are the same. It also contains the vital information of the database. The primary data file contains columns, fields, rows, indexes, tables, and data added by an application. You can use another extension (*.gbn) to create a primary database file without any error. mdf is a preferred extension of the primary database file. The SQL Server database stores data in MDF files.
First, let me explain about the database files.Ī SQL Server database has three types of files: This article demonstrates different methods to attach SQL Server MDF files.