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Problem :
(b) A deductive database system is essentially the outcome of applying mathematics logic to database management, where logic is used for both data representation and data manipulation.
(i) Explain the relationships and the differences between a deductive databases and relational databases. (ii) In the context of deductive databases, explain the following concepts:
♦ Intentional database. ♦ Extensional database. ♦ Recursive query.
What does Aggregation mean?
Cardinality shows the number of instances of an entity associated with another entity participating in a relationship. Depend on the cardinality binary relationship can be further
ER diagram on cosmetics
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
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
Explain the main advantages of DBMS over File Oriented System ?
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
what is attribute is attribute inheritance in dbms?
Need For Distributed Database Systems A distributed database is a set of database kept on multiple computers that appears to applications as a one database. As a result, an app
in case of functional dependencies how we get the higher normal form.
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