Microsoft SQL Server RDBMS (Relational Database Management System) allows you to save your database offline to online and to your liking. You can either online or offline database easily with the "ALTER DATABASE command. If (Master Database file) of the SQL server is online MDF, all the connected users can access it, change it, perform other operations, according to the their assigned permissions. However, in some situationsyou may face critical database corruption problems in trying to make an online MS SQL Server database. This behavior leads to significant data loss situations and needs SQL database recovery must be sorted out.
As a practical example of the above-mentioned problem, you can complete the command get error messages when "you try to make your online MS SQL Server database online" ALTER DATABASE mydb SET with:
Msg 5171, Level 16, State 1, Line1
E: \ Data \ mydb_log.ldf is not a primary database file.
Msg 5171, Level 16, State 2, Line 1
E: \ Data \ mydb.mdf is not a primary database file.
File activation failure. The physical file name "E: \ Data \ mydb.mdf" may be wrong.
Msg 945, Level 14, State 2, Line 1
Database 'mydb "can not be opened due to inaccessible files or space is not enough memory or hard disk. See the SQL Server error log for details.
Msg 5069, Level 16, State 1, Line 1
ALTERDATABASE statement failed.
According to the above behavior can not be adjusted online database and it remains closed. To solve the problem, you need to identify the causes of this problem and then run SQL Server Recovery by fixing it.
Cause:
This behavior of Microsoft SQL occurs when the MDF or master database file is damaged and it is not readable. SQL Server will not recognize the file and access their content. Corruption may occur, caused by a virusInfection, improper system shutdown, and malfunction as the application situations.
Solution:
To recover the SQL database in such situations, we recommend that you run DBCC CHECKDB utility. You can also try to restore the database from backup Update. If both methods do not work, repair and restore the database with third-party applications.
The MS SQL recovery software are designed to methodically scan the entire databaseand all access and extract data from damaged. They have read behavior and rich graphical user interface to offer-only safe and easy recovery in all the database-error scenarios.
Stellar Phoenix SQL Recovery software successfully repairs and restores corrupt MS SQL database to the default settings or custom location. It is compatible with Microsoft SQL Server 2008, 2005 and 2000. The software provides all the MDF file objects such as tables, reports, forms,Macros, triggers and stored procedures.
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