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The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
random file sharing
Which operator is used to compare a value to a list of literals values that have been specified? BETWEEN operator is used to compare a value to a list of literals values that h
Structure Of Distributed Database: A distributed database system haves of a collection of sites, each of which keeps a local databases system. Every site is able to process local
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
What are the disadvantages of file-processing system? Ans: The Disadvantages of File-Processing System a. Data redundancy and inconsistency - Data redundancy means not nece
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
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 various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
example of embedded SQL query
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