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      <h3>How to Repair Microsoft SQL Server Database without Information Loss?</h3>
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      <i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;By: swanswm<br>
      Posted: 2012-05-26 02:30:44</i>
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      How corruption takes place in SQL Server database normally?- Normally, the corruption in SQL Server database (.mdf) file takes place due to many common reasons like Power Surges, Improper or Incomplete  Database Design, Hardware faults, Human faults, Bad sectors of Hard Disk, DBA’s fault, Improper application terminations, etc.What happens when corruption or damage in SQL Server database takes place? Usually, when the database of Microsoft SQL Server gets corrupted, SQL users face severe errors and business downtime issues also come up.What are the popular corruption issues of SQL Server database? Many types of corruption issues can occur in the database file (.mdf) of SQL Server. Some of those issues are mentioned below: Large Object Pages Corruption- When corruption in Large Object pages of SQL Server database takes place, the SQL users face different errors similar to under mentioned error:“Msg 8964, Level 16, State 1, Line 1Table error: Object ID 181575685, index ID 1, partition ID 72057594145669120, alloc unit ID 72057594087800832 (type LOB data). The off-row data node at page (1:2444050), slot 0, text ID 901891555328 is not referenced”This error indicates that, there are some Large Object pages, which are not related to any row in the database. Corruption in clustered Index or heap is responsible behind the occurrence of this error. The error or issue can be fixed by DBCC CHECKDB Repair Allow Data Loss command but, if you don’t want to suffer data loss then, you have to look for some other solution.Corruption in Allocation pages- When corruption in allocation pages of SQL Server database takes place, SQL users face severe errors similar to the one, which is mentioned below:“Msg 8998, Level 16, State 2, Line 1Page errors on the GAM, SGAM, or PFS pages prevent allocation integrity checks in database ID 13 pages from (1:2264640) to (1:2272727)”Allocations pages in SQL Server database are used to check which pages are allocated and which are free and when corruption in these allocation pages takes place, the DBCC CHECKDB repair command fails to Repair Microsoft SQL Server Database because the process to repair allocation pages is very risky and complex and can cause major data loss. Deleting allocation pages is also not a solution because SQL users can loss upto 4GB data loss by it.How to repair Microsoft SQL Server database without information loss? - When DBCC CHECKDB Repair command fails to repair Microsoft SQL Server database, the users get the requirement to use SQL Recovery third party tool. With third party, the users can easily repair Microsoft SQL Server database without information loss. Third party tool provides the ability to fix Microsoft SQL Server database during all complex issues of corruption. Users, who don’t to use a third party tool to fix SQL MDF file and looking for a more affordable solution to recover database from corrupted SQL Server database, can take a look at SQL Recovery services.
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