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SY Common ISE ODD 25-26
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A relation R(A, B, C) has composite key (A, B) and functional dependency B → C.
Which normal form does
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The Join operation(⨝) combines:
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Given DEPARTMENT(DeptID, DeptName) and EMPLOYEE(EmpID, EmpName, DeptID) with a 1:N relationship, where is the FK placed?
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Which concurrency control allows multiple reads but prevents simultaneous writes?
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Which of the following is not necessarily true about 3NF?
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The operator σ in Relational Algebra is used for:
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The main goal of the ER model is to:
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A table is said to be in First Normal Form (1NF) if:
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