Database Concepts Question UPDATE

User Generated

ynzragbsxvat

Computer Science

Description

Suppose a database has data for a table like the Student table (link below) stored in a file on disk. What does the database have to do in order to display this table to a user?  What must be in the database catalog? http://bit.ly/1pgcA7g

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Explanation & Answer

It has to open the file and retrieve the database and show the relationship when the appropriate commands are issued.

The database catalog of  a database must contain metadata in which definitions of database objects such as base tables, views (virtual tables),synonyms, value ranges,indexes, users and user groups are stored

Reference: 

http://en.wikipedia.org/wiki/Database_catalog




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