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What are the properties in a relation ?
In a relation Ordering of rows is immaterial and No two rows are identical.
Differentiate between the object oriented decomposition and the structured decomposition? Process-oriented (structural) decomposition divides a complex process, function or tas
Advantages and disadvantages of icloud based storage
Determine the Strong and Weak Entity Based on the method of foreign key, there might be arise a situation when we have to relate an entity having a primary key of its own and a
What is a query tree? Ans: A query tree, as well known as operator graph, is a tree data structure that corresponds to a relational algebra expression. It denotes the inpu
Synonyms and Indexes Some of the essential properties of indexes are: An Index is a schema Object Indexes can be formed explicitly or automatically Indexes are m
Explain forms based and graphical interface? Forms based and graphical interface: graphical user interface (GUI) is a kind of user interface which permits people to interact
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
in case of functional dependencies how we get the higher normal form.
Define reference file
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