The physical database structure of Microsoft SQL Server contains various types of components, arranged into systematic order. The data stored in the SQL database file is divided into number of pages numbered from 0 to n. Collection of eight continuous pages forms an extent (top-most hierarchical component). Corruption in extent primarily results into an error message while mounting of your database. This error message results into unmountability of database, which further leads to inaccessibility of its stored information. To surpass the issues created after extent corruption, most of the database users prefer to restore the database from an updated backup. But, the probability of every database user maintaining a regular backup is very rare. In such cases, these users need to repair there corrupt database using advanced SQL Repair application.
As a practical case, your SQL database becomes unmountable after the below error message appears:
"Extent E_ID is allocated to 'OBJECTNAME' and at least one other object."
Repetitive occurrence of the above error message makes the data stored in your database inaccessible.
Cause
The above error message appears when there is some corruption in Extents. This can either happen due to logical or physical damages.
Resolution
The solutions for resolving the above error message - caused either through logical or physical damage - are discussed below:
The physical damages can be surmounted by replacing the physically damaged system component with a new one.
The logical damaged can be surpassed by executing DBCC CHECKDB command, with an appropriate repair clause.
The failure of both the above resolutions leaves with no option, but to restore data from an updated backup. However, in case of unavailability of an updated backup or backup falling short of restoring the updated backup, you will need to use advanced SQL repair application.
A SQL Repair software uses high end scanning methods to repair the corrupt SQL Server database. With interactive user-interface and non-destructive nature, these tools are easy to understand and perform safe database repair. There is no need for any technical skill to use these repair tools.
SQL Recovery is competent enough to repair corrupt SQL database to a level unmatched by any other repair application. The ms SQL repair software repairs SQL Server 2008, 2005, and 2000 databases and restores them on default or new user specified location. The software is designed for Windows 7, Vista, XP, 2003, 2000 and NT operating systems.
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