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What is candidate key? Candidate Key - A candidate key of an entity set is a minimal superkey, which uniquely identifies each row in the relation.
external and internal mapping with examples
word limit no mentioned
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
what is attribute is attribute inheritance in dbms?
How do you find the final model after iterative analysis? Why is iterative analysis of any of the problem needed? The final model serves as the base for system architectur
Order by clause By using this rows can be sorted It is used in the last portion of select statement By default it gets ascending order DESC: is used
Define multivalued dependency. What do understand by trivial multivalued dependency? Ans: A multivalued dependency is a full constraint among two sets of attributes in a rela
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
Insulation between conceptual and physical structures It can be defined as: 1. The Database Administrator should be capable to vary the storage structures without affectin
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