Articles, tagged with "sql database", page 5
24th March 2010
Every MS SQL Server database is divided into various PFS (Page Free Space) intervals, each containing 8088 pages. Each PFS page maintains records of the free space in the pages that store LOB (Large Objects) values. A PFS page contains a byte-map that con...
Read >
Author:
Adishree Singh
22nd March 2010
The information related to records in MS SQL Server database table is either saved in clustered or non-clustered index. In clustered index, the data rows in the table are stored with their unique key value. However, in non-clustered index, every data row ...
Read >
Author:
Adishree Singh
15th March 2010
A PFS (Page Free Space) page in MS SQL Server database tracks free space available with the database. The page consists of a byte-map that further includes one byte for every page (P_ID) in the PFS interval. However, if the P_ID is assigned to a PFS page ...
Read >
Author:
elfinruler
01st March 2010
MS SQL Server database data files are divided into numerous GAM (Global Allocation Map) intervals. Each GAM interval consists of at least 4GB space or 64,000 extents. The page interval allocates one or more pages to an index that contains an IAM (Index Al...
Read >
Author:
Naveen Kadian
01st March 2010
An "Out of Memory" error message while executing DBCC primary occurs when the DBCC process performs check on large databases and utilizes CPU (Central Processing Unit) massively. Another cause of this error can be corruption of SQL Server database due to ...
Read >
Author:
Adishree Singh
24th February 2010
A FirstIAM field in MS SQL Server database is the destination of first IAM (Index Allocation Map) page for the index. An IAM page acts like an allocation structure which SQL Server uses to track database objects. The FirstIAM page consists of a value that...
Read >
Author:
Naveen Kadian
19th February 2010
Website content, as articles, has taken center stage as web publishers scramble to differentiate their online offers. As both the quantity and quality of articles have accelerated, so too have online directories. These directories often resemble mere list...
Read >
Author:
Devon Mcdaniel
18th February 2010
Let us introduce Recovery Toolbox for SQL Server, the SQL Server 2005 database recovery tool features easy algorithms of database recovery that can be used by anyone. In the same time, the sql database recovery software is developed for database administr...
Read >
Author:
Recovery Toolbox, Inc.
18th February 2010
Just like any other database, MS SQL Server database contains a file header page and boot page. While the file header page (8KB) consists of metadata information about the database, the boot page contains critical information about the database itself. Co...
Read >
Author:
Naveen Kadian
10th February 2010
The records saved in a SQL Server database table is divided into various pages, such as GAM (Global Allocation Map) , SGAM (Secondary Global Allocation Map), and IAM (Index Allocation Map). A GAM page comprises of one bit per extent for all the mapped ext...
Read >
Author:
Naveen Kadian
26th January 2010
PFS (Page Free Space) pages in SQL Server database not only maintains free spaces, but a lot more than that. Every SQL database file is divided into various PFS intervals, each containing 8088 pages. A PFS page contains a byte-map, which stores one byte f...
Read >
Author:
Adishree Singh
26th January 2010
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 pag...
Read >
Author:
Adishree Singh
22nd January 2010
A corrupted SQL Server database has many shortcomings, one of them being the unmountability of the database. In most cases, the corruption is caused due to these factors - file system damage, virus infection, metadata structure damage, and concurrent modi...
Read >
Author:
Naveen Kadian
30th December 2009
Data pages in metadata structure of MS SQL Server database can either be structured in a B-tree or Heap tree format. In a B-tree structure, the pages are connected to each other at a single level point, in a doubly-linked list. Each parent page in a B-tre...
Read >
Author:
Adishree Singh
23rd December 2009
Tables in MS SQL Server database act as a major storage component to save records with different data types. The data stored in the tables can be easily viewed by running a query. However, in some situations (when you receive an error message), the query ...
Read >
Author:
Naveen Kadian