How the data stores in a page?



How the data stores in a page?..

Answer / arunyadav007

The fundamental unit of data storage in SQL Server in the
page. The disk space allocated to a data file (.mdf
or, .ndf) in a database is logically divided into pages
numbered form ā€œ0ā€ to ā€˜nā€™. Disk I/O operation are performed
at page level.
In SQL server, the page is 8 kb. This means SQL Server
database have 128 pages per MB. Each page begins with a 96
byte header. That is used to store system information about
the page.
Page types used in the data files of the SQL Server
database.
1.) Data
2.) Index
3.) Text image
4.) Global allocation map, shared global allocation map
5.) Page free space.
6.) Index allocation map
7.) Bulk changed map
8.) Differential changed map
** Maximum amount of data and overload that is contained in
single row on a page is 8060 bytes ()8Kb.

Is This Answer Correct ?    3 Yes 0 No

Post New Answer

More SQL Server Interview Questions

How send email from database?.

3 Answers   CarrizalSoft Technologies, Merrill Lynch,


What is the Query of getting last 10 transaction Reports (like insert, update, Delete Data from Tabele) ?

4 Answers   Wipro,


Name 3 of the features that the sql server built-in function loginproperty performs on standard logins? : sql server security

0 Answers  


how to know description of a table in sqlserver 2000

8 Answers  


How to count the number of duplicate items in a table?

3 Answers  






Explain different isolation levels?

4 Answers  


1. How to fetch all the duplicate records from the table. 2. How to fetch the second highest salary from the table.

12 Answers   Accenture,


How do you find the number of rows in a table?

7 Answers  


How to retrieve range of 10th rows to 20 th rows from total rows from a database table.? (Not from Dataset)

10 Answers   Cognizant, Infosys,


What is the use of sign function?

0 Answers  


What is measure group, measure? : sql server analysis services, ssas

0 Answers  


What is difference between equi join and inner join?

0 Answers  


Categories