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What is meant by computing the closure of a set of functional dependency? The closure of F denoted by F + is the set of functional dependencies logically implied by F.
Define Query Processing Query processing is the process of selecting the best plan or strategy to be employed in responding to a database request. The plan is then executed to
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
What are the advantages of having an index structure? Ans: The index structures commonly provide secondary access paths, which offer alternative ways of accessing the reco
Multi-Key File Organisation In this part, we will introduce two basic file Organisation schemes that permit records to be accessed by more than one key field, therefore, allowi
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
what is bogus empowerment. And what is genuine empowerment
Normalize the given relation to 3NF, justifying each step
Use inheritance as an implementation technique when you are going to use inheritance as an implementation technique, you can achieve same goal in a safer way by making one cla
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