Question
Statements: Only a few Lotion is Shampoo.
No Shampoo is Conditioner. Only Conditioner is Soap. Conclusion: I. Some Lotions are not Conditioner. II. Some Soap can be Shampoo. III. Some Conditioner are Lotion. In the question below there are three statements followed by three conclusions I, II and III. You have to take the three given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the three statements disregarding commonly known facts.Solution
Only a few Lotion is Shampoo ((I) + No Shampoo is Conditioner (E) → Some Lotions are not Conditioner (O). Hence conclusion I follows but conclusion III does not follow. Only Conditioner is Soap → All Soap are Conditioner and Soap cannot have any positive relation with anyone. Hence conclusion II does not follow.
In two-phase locking, a transaction releases its locks:
A relation is in 2NF if:
Which of the following is a type of database index?
Which normal form removes partial dependency?
Distributed 2-Phase Commit (2PC) can suffer from:
A view in SQL is:
Which of the following is a DML command?
Which normal form eliminates transitive dependency?
Which of the following is a transaction property ensuring all steps are completed or none?
Which of the following schedules is serializable?
