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Microsoft SQL Server enables you to create tables for short term uses. Such tables are known as Temporary Tables that are usable only for a particular session. MS SQL Server supports two types of temporary tables- Global temporary table and Local temporary table. However, under some situations, you may encounter database corruption errors while running queries on the temporary tables. The corrupt SQL Server database (MDF or Master Database File) can not be accessed by any means and leads to seri ...more
Microsoft SQL Server is an enterprise RDBMS (Relational Database Management System) from Microsoft Corporation. It is one among the most popular and widely accepted database server. This database management system offers reliability, security, high-performance, and efficiency of your business-critical data. Under some circumstances, the SQL Server database may corrupt and your precious data may become inaccessible. It leads to severe data loss and require ...more
Microsoft SQL Server uses indexes to effectively manage the database and improve its performance. It helps database manager to easily locate the specified table and extract it. However, in some situations the indexes may get damaged due to high fragmentation and database may become inaccessible. To overcome such issues, SQL Server provides you a tool, called DBCC DBREINDEX, to rebuild the database inde ...more
Are you getting out-of-range or invalid data errors while accessing Microsoft SQL Server database? When you create a table in MS SQL Server, you need to specify the data types, size, and type of values that you can store in particular table. In case you store invalid data in any table, you may face this problem. The problem can also occur if database table is damaged and SQL Server application is unable to read it. This behavior causes data inaccessibility and data loss. At this stage, you are r ...more
In SQL Server databases, an Index Allocation Map (IAM) page is a page type that stores the details about the extents, which is a collection of eight pages. These IAM pages are used to navigate through the heap, thereby making the searching process much faster. Well, at times these IAM pages do not exhibit the desired working due to database corruption. Database corruption can occur due to various reasons such as power outages, human errors, damaged hardware components, virus infections, etc. You ...more
Microsoft SQL Server includes an inbuilt utility, called DBCC CHECKDB, to check the consistency and integrity of MDF (Master Database File). However, sometimes the DBCC CHECKDB process does not complete successfully and can not fix the associated issues. Database inconsistency can make the SQL Server database inaccessible and lead to severe data loss situations. In such cases, you need to recover SQL database, in order to extrac ...more
Using the indexes in SQL databases is a good practice as it makes searching the records faster and easier. The indexes consist of various pages that are arranged in the form of B-tree structures. When a query is executed, the database engine goes all way from the root node to the exact branch where the data is located. Any discrepancy in this routine may result in corruption of the database table. Such discrepancies can arise due to various reasons such as virus infections, hardware incompatibil ...more
Are you getting 'Error 823' while accessing an SQL Server database or modifying the database? Are you getting various database inconsistency errors while querying SQL Server database? Well, the problem may take place if your SQL Server database is either inconsistent or damaged. In such critical situations, you must have a complete backup to restore data from it. However, the situations may become worse if there is no current backup in place. At this point of time, you have to opt for ...more