Which of the following is not a restriction for a table to be a relation?

A The cells of the table must contain a single value
B All of the entries in any column must be of the same kind
C The columns must be ordered
D No two rows in a table may be identical

Correct Answer: The columns must be ordered

To format the columns differently, assign a unique alias to each column within the SELECT command itself (do not use the ALIAS clause of the COLUMN command) and enter a COLUMN command for each column’s alias.
Bissoy MCQ
#Oracle Database #Normalization

Related Questions

When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
A T
B U
C V
D Z
Six arms negotiators -- M,O,P,R,S and T-- are to be seated at a round table to discuss disarmament. There are exactly six chairs around the table. Each negotiator sits facing the center of the table and is directly opposite a negotiators across the table.The seating arrangement is subject to the following restrictions : T cannot sit next to P;S cannot sit next to M;R must sit next to M. Which of the following is an acceptable sequence of negotiators around the table ?
A M,S,R,T,P,O
B M,S,T,P,R,O
C T,O,P,S,M,R
D T,R,M,P,S,O
Six arms negotiators -- M,O,P,R,S and T-- are to be seated at a round table to discuss disarmament. There are exactly six chairs around the table. Each negotiator sits facing the center of the table and is directly opposite a negotiators across the table.The seating arrangement is subject to the following restrictions : T cannot sit next to P;S cannot sit next to M;R must sit next to M. If T sits directly across the table from O, who must sit on the other side of P?
A M and O
B M and S
C O and R
D O and S
Six arms negotiators -- M,O,P,R,S and T-- are to be seated at a round table to discuss disarmament. There are exactly six chairs around the table. Each negotiator sits facing the center of the table and is directly opposite a negotiators across the table.The seating arrangement is subject to the following restrictions : T cannot sit next to P;S cannot sit next to M;R must sit next to M. If M sits next to P which of the following is a complete and accurate list of those who can sit next to P on P's other side ?
A O
B O,S
C O,S,R
D R,S,T
Six arms negotiators -- M,O,P,R,S and T-- are to be seated at a round table to discuss disarmament. There are exactly six chairs around the table. Each negotiator sits facing the center of the table and is directly opposite a negotiators across the table.The seating arrangement is subject to the following restrictions : T cannot sit next to P;S cannot sit next to M;R must sit next to M. If T sits next to M and S sits next to R, which of the other negotiators must sit next to s ?
A M
B O
C P
D R
On selling a chair at 7% loss and a table at 17% gain, a man gains Tk 296. If he sells the chair at 7% gain and the table at 12% gain, then he gains Tk. 400. The actual price of the table is ---
A Tk. 2400
B Tk. 2200
C Tk. 1800
D Tk. 1600
The cost price of a table and a chair together is TK. 690. If the table costs 30% more than the chair, then find the cost price of the table and the chair respectively.
A TK. 300 and Tk. 390
B TK. 390 and TK. 300
C TK. 480 and TK. 210
D Tk. 400 and TK. 290
He was not arrested because he was not subject _______the same restriction.
A to
B for
C at
D of
নিচের কোনটি রেস্ট্রিকশন এনজাইম নয়? (Which of the following is not a restriction enzyme?)
A PBR322
B EcoRI
C HindIII
D BamHI
The members of the group of volunteer would be comlepetely determined if which of the following additional restriction is imposed?
A student from the 6 th batch must be in the majority
B Student from the 7th batch must be in the majority
C Neither Ana nor Tipu can be selected
D Neither Kajol nor shaml can be selected

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