online examination system project, Database Management System

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entity relationship diagram for online examination system

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Draw entity-relationship diagram of database, Read the description below a...

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Define Boyce codd normal form A relation schema R is in BCNF with respect to a set F of functional dependencies if, for all functional dependencies in F + of the form.α ->β.

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Define weak and strong entity sets, Define weak and strong entity sets?  ...

Define weak and strong entity sets?  Weak entity  set:  entity  set  that  do not  have  key  attribute  of  their  own are  known as weak entity sets.  Strong entity set

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ER model, coventions for displaying an ER schema as ER diagram

coventions for displaying an ER schema as ER diagram

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