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Differentiate strict two phase locking protocol and rigorous two phase locking protocol. In strict two phase locking protocol all exclusive mode locks taken by a transaction is

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What is Cross Product? Simply Cross product is Binary Operator

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Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t

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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

Inheritance, what is relationship inheritance and attribute inheritance

what is relationship inheritance and attribute inheritance

Where does view definition stored, Where does view definition stored? ...

Where does view definition stored? A view definition is permanently stored as part of the database.

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