1
GATE CSE 2016 Set 1
Numerical
+1
-0
Consider the following directed graph: GATE CSE 2016 Set 1 Data Structures - Graphs Question 6 English

The number of different topological orderings of the vertices of the graph is ________________.

Your input ____
2
GATE CSE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
A database of research articles in a journal uses the following schema.
(VOLUME, NUMBER, STARTPAGE, ENDPAGE, TITLE, YEAR, PRICE)
The primary key is (VOLUME, NUMBER, STARTPAGE, ENDPAGE) and the following functional dependencies exist in the schema.
(VOLUME, NUMBER, STARTPAGE, ENDPAGE) → TITLE
(VOLUME, NUMBER) → YEAR
(VOLUME, NUMBER, STARTPAGE, ENDPAGE) → PRICE
The database is redesigned to use the following schemas.
(VOLUME, NUMBER, STARTPAGE, ENDPAGE, TITLE, PRICE)
(VOLUME, NUMBER, YEAR)
Which is the weakest normal form that the new database satisfies, but the old one does not?
A
1NF
B
2NF
C
3NF
D
BCNF
3
GATE CSE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Which of the following is NOT a superkey in a relational schema with attributes $$V, W, X, Y, Z$$ and primary key $$V Y?$$
A
$$VXYZ$$
B
$$VWXZ$$
C
$$VWXY$$
D
$$VWXYZ$$
4
GATE CSE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is NOT a part of the $$ACID$$ properties of database transactions?
A
Atomicity
B
Consistency
C
Isolation
D
Deadlock-freedom
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