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NIELIT Scientist –B Dy -22 Database Quiz-1
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Question 1
If every functional dependency in set E is also in closure of F then this is classified as :
Question 2
Considering relational database, functional dependency between two attributs A and B is denoted by:
Question 3
Which of the following statements is true?
Question 4
A network schema is used to :
Question 5
Consider the following schedule:
r1(a),r2(a),r3(b),w2(a),r4(c),r3(b),r1(b),
r2(b), w1(c), w4(a)
The above schedule is serialized as
r1(a),r2(a),r3(b),w2(a),r4(c),r3(b),r1(b),
r2(b), w1(c), w4(a)
The above schedule is serialized as
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GATE & PSU CSDatabasesJun 8GATE & PSU CS