Index Corruption in MS SQL Server Might Damage the Database

Index is the most critical component of a relational database. It ensures easy, quick and managed accessing of data from the database. In Microsoft SQL Server, a non-clustered index is an index that stores both logical and physical order of indexes and tables. But in case of corruption if the logical order of index doesn't match the physical order or rows on hard drive and thus you can not access data from the database. This situation generally occurs due to index corruption, which could be the outcome of self-update query, virus infection, improper system shutdown and may others. At this point, the database become inaccessible and you encounter data loss situations. To retrieve data in such cases, you are required to go for SQL Recovery using appropriate tools.

In a practical scenario, when you carry out any operation using self-update query on master table after which non-clustered index gets damaged or corrupted. Additionally, you encounter any of the below given error messages while trying to access any database table or entire database:

“Server: Msg 8952, Level 16, State 1, Line 1

Table error: Database 'badqueue', index 'repro.NC' (ID 1828201563) (index ID 2). Extra or invalid key for the keys:”

Or

“Server: Msg 8956, Level 16, State 1, Line 1
Index row (1:308:2) with values (i2 = 369 and i1 = 1 and ? = 61) points to the data row identified by ().”

After above error message occurs, you can not access master table and thus stored data and require SQL Repair. The self-update query select over 3,000 rows of master table but not entire master table. To gain access of master table, you are recommended to download and use hotfix solution offered by Microsoft.

But even after applying the hotfix, you get same error message and can not access the database, you are required to repair and restore damaged database. This is best possible with the help of powerful and efficient third party applications, known as SQL Recovery tools.

These applications use high-end scanning mechanisms to methodically scan entire SQL Server database and retrieve all of its objects including tables, reports, forms, triggers, stored procedures and so forth. With interactive and rich graphical interface, they are quite easy to use. The SQL Repair software do not alter original data in the database.

SQL Recovery When Filestream Corruption Damaged SQL Server Database

When you try to restore the Microsoft SQL Server 2008 database (MDF file) from the sequence of transaction log backups, MS SQL Server 2008 database gets damaged. However, the original database, from which you took backup of the transaction log has not damaged. In these situations, the restore operation could not take place and thus your database become inaccessible and critical data loss situations occur. At this point, to gain access of your mission critical data, you are required to carry out SQL Recovery using appropriate solutions.

When the above problem of database corruption occurs, you might encounter the following event in the Application Event log of Microsoft SQL Server:

“Filestream corruption - missing files, error 7904.

The corruption is detected on a database that was restored from a sequence of backup logs. The original database does not seem to be corrupted.

7904 16 2 Table error: The filestream file for "FileID" was not found.”

In above scenario, the data loss situations occur. In such cases, you get your valuable data back, you need to find out the cause of this problem and go for SQL Repair by sorting out this issue.

Grounds of the issue

This behavior of Microsoft SQL Server occurs due to filestream corruption. When it happens, the SQL Server database gets damaged as stated in above error message, and the database become inaccessible.

The Filestream is a critical SQL Server database component that integrates SQL Server Database Engine with NTFS file system by storing the varbinary(max) BLOB (Binary Large Object) data as the files on file system. Win32 file system interfaces offer streaming access to data. It uses NT system cache for data caching.

In all these cases, you encounter database corruption and need to go for SQL Database Recovery solutions by repairing and restoring the database.

Recovery is best possible with the help of powerful and advanced third party applications, known as SQL Repair tool. They perform extensive scan of damaged database to extract all of the database objects such as tables, reports, forms, triggers and stored procedures.

These tools come equipped with interactive and simple graphical user interface and thus do not require sound and prior technical skills to carry out recovery process. With read-only behavior, they do not alter original contents of the database.

Stellar Phoenix SQL Recovery is the most advanced and effective tool to repair and restore SQL Server database in all cases of corruption. It repairs MDF files of SQL Server 2008, 2005 and 2000. This software is compatible with Microsoft Windows Vista, 2003, XP, 2000 and NT.

Damaged Stored Procedures Might Corrupt SQL Server Database

In DBMS (Database Management System) like Microsoft SQL Server, the Stored Procedures are the set SQL statements, which are stored in the database dictionary. The storage procedures improve security, usability and competence of SQL Server database. In general terms, this is a database query that is stored in compiled form with a name assigned to it. But in some situations, these critical database components might get damaged due to a number of reasons such as improper system shutdown and database inconsistency and make your database inaccessible by damaging it. At this point, you might encounter serious data loss situations that require SQL Recovery to be sorted out.

The stored procedures are generally used for data validation and for the access control mechanism. Additionally, these database objects are also used for consolidating and centralizing the logic, which was initially applied to the software.

The stored procedures are extremely useful objects of SQL Server database and provide substantial performance, abstraction, code rescue, reduced network traffic and most significantly improver performance like advantages. But in some situations, you might come across a number of issues while using the stored procedures.

In a practical scenario, when you attempt to see any stored procedure in SQL Server database with the help of Enterprise Manager of SQL Server, you might encounter below error message:

“Error 0: [SQL-DMO] Object 'dbo.SP_ProcName' was not scripted. It is possible that the information in system table 'syscomments' about the object was corrupt or missing?”

In such situation, you can not even delete the stored procedure by right clicking it and selecting 'Delete' option. At this point, finding the cause of this issue and carrying out SQL Repair by resolving it becomes essential.

Grounds of the issue

As stated in above error, this issue occurs because of corrupt or missing stored procedure. Damaged stored procedure might corrupt entire SQL Server database or some it its parts and make it inaccessible and unusable.

In these critical circumstances, you need to repair and restore damaged database file and retrieve data from it. This is potential through powerful and advanced third party SQL Database Recovery applications, which are capable of handling most of the SQL Server database corruption situations.

These tools use high-end scanning mechanisms to ensure in-depth scanning of damaged database and complete data retrieval. With interactive and simple graphical user interface, these SQL Repair programs are quite easy to use.

SQL Recovery is the most effective application to repair and restore damaged SQL Server database. It supports recovery from MS SQL Server 2008, 2005 and 2000. This read-only software is designed for Microsoft Windows Vista, 2003, XP, 2000 and NT.

Insufficient Space While Upgrading Cause SQL Server Database Corruption

Every new version of a application or system software contains a number of added and advanced features. To gain benefit of these features, you might want to upgrade to newer version. The same thing applies of MS SQL Server. But in some situations, when you try to upgrade the SQL Server, the process may fail and some of the database tables or whole database might get damaged. This behavior of SQL Server renders all of your mission critical data inaccessible and causer serious data loss situations. At this point, to get your valuable data back, you are required to go for SQL Recovery using appropriate tools.

The problem during upgrade might occur if you fail to provide sufficient hard drive space for the database growth. In MS SQL Server upgrade, this situations might damage the sysdepends table in model database and might cause the upgrade process to hang (stop responding) without any warning message.

In these circumstances, you could not access the database and thus stored data. In order to gain access of your mission critical data, you are required to find out the cause of this issue and carry out SQL Repair by sorting it out.

Grounds of the Problem

You might come across this issue if the data file is full (it is possible that only a couple of pages are free in the file) and the growth of the file on data file is set to 0% (percent). In such case, SQL Server upgrade procedure does not get enough free space in the file, which is required to complete upgrade of database. Thus the SQL Server database (MDF file) is left in the partially upgraded and corrupt state.

Resolution

In order to sort out this problem, go through below steps:
Restore or replace the model data from most recent and complete backup.
Copy in model database from new MS SQL Server installation.
Increase the database size and enable AutoGrow option.

When all else fails to resolve the problem, then you need to opt for SQL Recovery through third party software. These applications are particularly designed to effectively scan the damaged SQL Server database and retrieve all of the data from it. The SQL Database Recovery is carried out in an easy, quick and safe way.

Stellar Phoenix SQL Recovery is the best ever made and the most advanced application to ensure absolute and quick recovery in most of the DBX corruption situations. It works well with SQL Server 2008, 2005 and 2000. This software is compatible with Microsoft Windows Vista, 2003, XP, 200 and NT.

Resolving “Server can't find the requested database table” Error in SQL Server

Microsoft SQL Server is the most popular and advanced Relational Database Management System (RDBMS), which is developed and marketed by Microsoft Corporation. The SQL Server enables you to use the T-SQL (Transaction Structured Query Language) to carrying out database transactions. T-SQL can be created to effectively manage SQL Server and to prevent unauthorized access of the database. SQL Server stores all of the data in MDF (Master Database File) in the form of several different tables. In some situations, these tables might get damaged and thus become inaccessible. This behavior of MS SQL Server cause critical data loss situations and require SQL Recovery to be sorted out.

Due to the advanced features, which SQL Server offers, there are several organizations who use it for effective management of their databases. But your decision of use the MS SQL Server might prove wrong when you can not get access of your mission critical data. In some situations, when you attempt to access the SQL Server database, you come across below given error message:

“Server can’t find the requested database table”

After this error message, you can not access the require database table and thus face data loss situations. In these cases, to get your mission critical data back, you need to sort out this issue by performing SQL Repair.

Grounds of the issue

The major reason behind the occurrence of this error message is corruption to the SQL Server database. The database might get damaged due to a wide range of reasons such as improper system shutdown, virus infection, application errors and many alike.

If the SQL Server database, which has got damaged, isn't so complicated and does not contain huge amount of data and objects, then you can rebuild the database easily. However, if the database is very large and complex, then you will have to go for SQL Database Recovery to retrieve data from damaged database.

The recovery is best possible with the help of powerful and advanced third party applications, which repair and restore damaged database. The SQL Repair applications carry out thorough scan of the damaged database and retrieve all of the data from it. With self-descriptive and interactive users, these applications are completely easy to use. These tools are completely safe as they have read only and non destructive conduct.

Stellar Phoenix SQL Recovery is the most efficient application to ensure absolute and easy recovery of damaged MDF files. This software works well with Microsoft SQL Server 2008, 2005 and 2000. This software is compatible with Microsoft Windows Vista, 2003, XP, 2000 and NT.

Troubleshooting SQL Server Error 2579

SQL Server database pages are 8 KB in size, each designated with a specific ID. The application uses extents as the basic unit to allocate space for tables and indexes. If these structures suffer any sort of corruption related concerns, you can run DBCC CHECKDB command to detect it. You can deduce the exact cause of the problem from SQL Server log that records all the results of running the command. However, to restore the corrupted table, you will need to use your current backup. But at times, you find issues while restoring from backup because it doesn't exist in valid state. You need to use SQL Repair software in such problems to repair the corrupt database and its objects.

Consider an instance, you run DBCC CHECKDB command to check database consistency and come across the below error message in SQL Server error log:

“Table error: Extent P_ID object ID O_ID, index ID I_ID is beyond the range of this database.”

This entry is marked with error ID 2579 and severity level 16.

Cause

Each page ID is referenced in the form- fileId:pageInFile. In the error message above, P_ID is the ID of the affected page in the table. Error 2579 occurs if pageinfile of the extent is found to be greater than the expected physical size of the file with ID fileID specified in the database. The error indicates that the extent has been allocated in an IAM page for the indicated index ID or object.

Solution

Following are the solutions to fix the above problem:

Such errors might be frequent due to hardware related problems. So, you should diagnose the system for the same and remove or replace the faulty hardware
Restore the database table from backup
Execute DBCC CHECKDB command to determine the repair clause that should be run to repair the database table. Next, run the suggested repair clause with DBCC CHECKDB command
If applying the above measures is not feasible, you need to use third-party SQL Recovery software. SQL Repair products are commercial tools embedded with high-end scanning algorithms and graphically rich user interface to allow safe and efficient database repair.

SQL Recovery is a premier and popular tool to repair damaged SQL databases that is supportive to SQL Server 2008, 2005 and 2000. With self-descriptive and exceptionally realistic interface, advanced repair options and non-destructive design, it is a fully-featured SQL Recovery utility to repair all database objects. The software is compatible with Windows Vista, XP, 2003, 2000 and NT.

How to Resolve Error 2503 in SQL Server?

In SQL Server storage space is divided into pages, numbered sequentially. Each database page has a type that defines the type of data that is contained in the page, for example an index page or a data page. If any of these pages gets corrupt, SQL Server reports errors. You can detect this corruption by running DBCC CHECKDB command. However, to recover from such data loss, you will need to use your backup to restore. But if no clean backup is available at the moment, you should use SQL Recovery software.

At times, when you run DBCC command to check the consistency of your SQL Server database, you might come across the below error :

“Msg 2503, Level 16, State 1 Table Corrupt: Page linkage is not consistent; check the following pages: current page#=xxx; page# pointing to this page=yyyy; previous page#=zzzz”

Cause

Error 2503 might be encountered due to any of the possible reasons:

You are not running DBCC in single-user mode and some updates are running
Table data page or index page is corrupt

Solution

To solve the problem, discussed above, you need to apply these methods:

Make sure that you run DBCC in single-user mode
If you are using the command in single-user mode, you need to check for a valid data backup to restore the lost data
If you don't have any good data backup, use DBCC PAGE command to find out whether the infected page is a data page or an index page
To fix index corruption, you should drop and then recreate the index of the table
You need to copy all the database objects and data to a new database if the data pages are affected. You might fail to copy corrupted tables. Drop the old database
If applying the above measures doesn't help, you should use third-party SQL Repair utility to safely repair and restore the damaged database and its objects. SQL Recovery software apply powerful scanning algorithms and retreive data while maintaining their intactness.

Stellar Phoenix SQL Recovery is an advanced utility to repair damaged SQL databases. It supports SQL Server 2008, 2005 and 2000. With self-descriptive and exceptionally realistic interface, advanced repair options and non-destructive design, it is an effective SQL Repair tool to repair all database objects. The software is compatible with Windows Vista, XP, 2003, 2000 and NT.