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What is nested relational model?
The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Examine about the Behavioural Diagrams The main objective of behavioural diagrams is to visualize, specify, construct and document dynamic aspects of a system. The interactio
Which two tools are used to administer users for Active Directory?
Explain Transaction manager and their work? Transaction Manager: Ensure the database remains in a constant (correct) state despite system failure, and in which concurrent trans
Mention various steps required to draw an E-R Diagram. Draw an E-R Diagram for Student Information System. Mention all suitable assumptions to justify your answer.
why are older data models are being replaced by new data models
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
Define Query by Example QBE is a query language relies upon domain calculus and has two dimensional syntax. The queries are written in the horizontal and vertical dimensions of
What is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
in case of functional dependencies how we get the higher normal form.
what is object-identity
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