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Which is an advantage of view?
The Advantages of view is Data security, Derived columns and Hiding of complex queries
Define the phases of two phase locking protocol Growing phase: a transaction may get locks but not release any lock. Shrinking phase: a transaction might be release locks bu
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
What are metrics for choosing the best algorithm? Matrices for choosing the best algorithms are as below: Computational complexity Ease of understand ability and im
Define Deadlock recovery measures To recover from deadlock, the cycle in the wait-for-graph should be broken. The common technique of doing this is to rollbac
Package classes and associations into models Programs are made of separate physical units which could be edited, imported, complied or otherwise manipulated. The careful part
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
Write the motivations led to development of OO-DBMS? 1. Programmer frustration with RDBMSs. 2. Requirement for special features.
What is OLAP? OnLine Analytical Processing (OLAP) is a Business Intelligence (BI) reporting system. OLAP gives the user with the capability to sum, count, average and do other
what is er digram given that example of hospital,bank and library er digram.
why we fregment at all?
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