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What is the use of rename operation?
Rename operation is used to rename both relations and an attributes.
It uses the as clause, taking the form:
Old-name as new-name.
what is file organization? what are file organization techniques.explain in detail? explain random file organization technique, multikey file organization technique?what is indexin
what benefit can a company gain by managing its own infrasture and services
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What are the reasons for having variable length records? What are the various ways to store variable length records? Variable-length records arise in a database in various wa
4. Describe three ways to handle missing field values
Function requirement as given: 1> manage fans and likes and followings those information from facebook. twitter. google+ and linkedin etc 2> Organize the clients from email m
What are the Issues when Selecting a Database Issues when Selecting a Database Storage space requirement: A database requires about triple storage space of the actua
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
What are the several forms of identity? a) Value b) Name c) Built-in
How can we Classify the operations on classes This step fundamentally means all three models functional, object and dynamic (studied in last section) must be combined so that
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