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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.
Explain DML with some examples? DML - Data Manipulation Language: statements used for managing data within schema objects. Some examples: • SELECT - retrieve data from the a da
prototype of a distributed information system for a national car part retail outlet chain.
Increased parallelism : Since the replicated date has several copies a query can be distributed or can be answered from the smallest loaded site. Also, with more replicas you have
What are the types of reference?explain it with suitable examples? Object oriented language given the ability to refer the object attribute of the type can be referred to the s
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 benefits of OOA technology? Using OOA technology can produce many benefits, such as: i) Reusability of code ii) Productivity is gained through direct mappi
Discuss the types of integrity constraints in which must be checked for the update operations - Insert and Delete. Give examples. Insert operation can violet any of the subse
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
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