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Q:

A ternary relationship involves how many entities?

A) 3 or less B) 3
C) More than 3 D) 3 or more

Answer:   B) 3



Explanation:
Subject: Database
Q:

88%of 370 +24% of 210-x =118 find x

Answer

From the given equation,


88x370/100 + 24x210/100 - 118 = x


=> x = 325.6 + 50.4 - 118


x = 258.

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Subject: Database Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

4 77
Q:

The benefits of object-oriented modeling are which of the following?

A) The ability to tackle more challenging problems B) Reusability of analysis, design, and programming results
C) Improved communication between users, analysts, etc. D) All of the above.
 
Answer & Explanation Answer: D) All of the above.

Explanation:
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Filed Under: Database

5 1958
Q:

 A proxy server is used for which of the following?

A) To provide security against unauthorized users B) To process client requests for Web pages
C) To process client requests for database access D) To provide TCP/IP
 
Answer & Explanation Answer: A) To provide security against unauthorized users

Explanation:
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4 1724
Q:

The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T ;

A) Equi-join B) Natural join
C) Outer join D) Cartesian join
 
Answer & Explanation Answer: D) Cartesian join

Explanation:
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7 2818
Q:

When mapping a supertype/subtype relationship which of the following is true?

A) The supertype primary key is assigned to each subtype. B) The subtype primary key is assigned to each supertype.
C) There is no link between the supertype/subtype entities. D) There is no primary key/foreign key relationship between a supertype/subtype.
 
Answer & Explanation Answer: A) The supertype primary key is assigned to each subtype.

Explanation:
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