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Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
These are interactive interfaces, graphical that hide the difficulty of the DBMS and query language behind an intuitive, simple to understand, and convenient interface. This permit
Farmer Bob, Farmer Jane and Farmer Jose run a cow farming co-op. For every cow they keep the cow’s name, age (or date of birth), breed and numbered plastic ear tag. The each of t
A step-wise distributed database design methodology Following is a step-wise methodology for distributed database design. (1) Examine the nature of distribution. Find out wh
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
Describe association design of an object by giving one suitable example of it. The Design of Associations Associations are "glue" of advanced object oriented analysis and
NEED ER DIAGRAM WITH MINIMUM ENTITY AND RELATIONSHIP of Hospital Management System
explaination
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