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
In SQL, which command is used to add new rows to a table?
A Alter Table
B Add row
C Insert
D Append
What SQL command can be used to add columns to a table?
A ALTER TABLE TableName ADD ColumnName
B ALTER TABLE TableName ADD COLUMN ColumnName
C MODIFY TABLE TableName ADD ColumnName
D MODIFY TABLE TableName ADD COLUMN ColumnName
Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL?
A DEFINE TABLE
B MODIFY TABLE
C ALTER TABLE
D All of the above
E None of the above
You have time constraint to answer the questions: Here the word `constraint' stands for______.
A Restrcition
B Consciousness
C Relaxation
D Extension
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
Which of the following is NOT a type of SQL constraint?
A PRIMARY KEY
B ALTERNATE KEY
C FOREIGN KEY
D UNIQUE
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

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