Correct Answer: All of the above
Explanation:
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More Data Modeling MCQ Questions
The state while a transaction is executing is:
The system that processes transactions as soon as they are entered is:
Polymorphism is defined as:
The concept of a joined dependency is related to:
Ensuring that the updates are correct even during the failure period is referred to as:
Normal forms are used to:
If a transaction Ti has obtained a shared mode lock on item Q, then Ti:
A tree is composed of a hierarchy of elements called:
A language that enables users to access or manipulate data is:
The database that is a unification of several data files with any redundancy wholly or partially eliminated is: