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Define canonical cover? A canonical cover Fc for F is a set of dependencies like F logically implies all dependencies in FC and Fc logically shows all dependencies in F.
There are many simple and complex approaches to implement. These reports are based on some views or certain query. The following number of reports can be built. 1. The averag
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
Describe the difference between a one-to-many and a many-to-many relationship. Which logical data structures comprise one-to-many and which comprise many-to-many relationship?
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Build a database application for a sports league. Assume your application is to keep track of teams and equipment that is checked out to teams. Explain the steps that is needed and
What is the purpose of storage manager? The storage manager is responsible for the following a) Interaction with the file manager b) Translation of DML commands in to low
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
properties of derirable decomposition
ER diagram on cosmetics
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