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Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
how draw er diagram
Show a centralised schema to support the operation of the system you have chosen, including in particular: the product catalogue; the outlets and respective stocks; customer record
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
Explain the Query Processing Data Query Processing permits a user to report or analyze structured and unstructured data pulled from multiple data sources.
Explain three main attributes of data.
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.
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In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
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