data models, Database Management System

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what is stracture of dabms

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ERD, A student entity type has the following attributes,name..

A student entity type has the following attributes,name..

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why are older data base model are being replaced by new data model

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What is a Built-in A notation of identity is built-into the data model or programming language and no user-supplied identifier is needed. This form of identity is used in objec

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What is trigger?  Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.

Normalization, Introduction In large projects, we can have many different ...

Introduction In large projects, we can have many different companies working together. Generally, the project or contract is awarded to one company (Principal Contractor), which

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Explain Strict Two-Phase locking A transaction T does not release any type of its exclusive (X) locks until that transaction commits or aborts. In this method no other transact

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