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What are called multilevel indices?
Indices with two or more levels are known as multilevel indices.
Question : Mr. Smith Harry has a car manufacturing company which has recently integrated management information system. He wishes to obtain more information on ethics and socia
Single Valued Normalisation Codd in the year 1972 formed three normal forms (1NF, 2NF, and 3NF). These were based on functional dependencies between the attributes of a relati
Process to find the non-concurrent objects Once we find out non-concurrent (mutually exclusive) objects, we can fold all objects together in one thread of process or control. O
How does the two phase protocol ensure serializability in database schedules? Ans: A transaction is termed to follow the two-phase locking protocol if all locking operations
define locking in simple language and decribed it
Multilevel Index The Multilevel Index is a modification of the secondary level index system. In this system we might be use even more number of levels in case the table is eve
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
How external/conceptual mapping and conceptual /internal mapping is performed
What is an object design? Object design is a very interactive method, which decides the relationship among objects, classifies operations on classes, determines overall system
What are the function of DBA?
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