Databases [GATE (Graduate Aptitude Test in Engineering) Computer Science & IT (CS)]: Questions 67 - 69 of 339

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Question 67

Appeared in Year: 2012

Question MCQ▾

The User Work Area (UWA) is a set of Program variables declared in the host program to communicate the contents of individual records between (December Paper II)

Choices

Choice (4)Response

a.

DBMS & the Host record

b.

Host program and DBMS

c.

Host program and Host language

d.

Host program and Host record

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Question 68

Appeared in Year: 2012

Question MCQ▾

Which of the following is true? (December Paper II)

Choices

Choice (4)Response

a.

A relation in BCNF is always in 3NF.

b.

A relation in 3NF is always in BCNF.

c.

BCNF and 3NF are same.

d.

A relation in BCNF is not in 3NF.

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Question 69

Appeared in Year: 2012

Question MCQ▾

Suppose that someone starts with a chain letter. Each person who receives the letter is asked to send it on to 4 other people. Some people do this, while some do not send any letter. How many people have seen the letter, including the first person, if no one receives more than one letter and if the chain letter ends after there have been 100 people who read it but did not send it out? Also find how many people sent out the letter? (December Paper II)

Choices

Choice (4)Response

a.

b.

c.

d.

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