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
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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