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Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
a) Suppose we updated the catalog tables in real time, that is, after every update, insert, or delete SQL statement were executed-rather than only running RUNSTATS once every few
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
What do you mean by atomicity and aggregation? Atomicity : Either all actions are carried out or none are. Users should not have to worry about the effect of incomplete trans
#question.explain diversity and magnitude of organic compounds and general properties?
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
how many hourse have been spent on a certain project
Design a gennalization and specialization hierarchy for an automobile sales company
Lack of Redundancy We have talked about the problems of repetition of information in a database. Such repetition should be stay away as much as possible. Let us state once again t
Law Associates is a large legal practice based in Sydney. You have been asked to design a data model for the practice based upon the following specification: The practice emplo
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