Database Systems 600 Exam With Questions and Answers.DATABASE 600
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The traditional Systems Development Life Cycle (SDLC) is divid
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Database Systems 600 Exam With Questions and Answers.DATABASE 600
MULTIPLE CHOICE
Question 1
Correct
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Question text
The traditional Systems Development Life Cycle (SDLC) is divided into _____ phases.
Select one:
a. five
b. four
c. two
d. three
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The correct answer is: five
Question 2
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How many rows would be returned from a cross join of tables A and B, if A contains 8 rows and B
contains 18?
Select one:
a. 18
b. 26
c. 8
d. 144
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The correct answer is: 144
Question 3
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The main disadvantage of using CGI scripts is that:
Select one:
a. they do not have the capability to process forms or prepare outputs based on form data.
b. they cause a resource bottleneck since they have to execute separately for each user request.
c. an error in one script can damage and bring down the web server completely.
d. they are specific to the web server and to the operating system, thus being platform dependent.
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The correct answer is: they cause a resource bottleneck since they have to execute separately for each
user request.
Question 4
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The _____ process analyses SQL queries and finds the most efficient way to access data.
Select one:
a. User
b. Optimizer
c. Scheduler
d. Listener
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The correct answer is: Optimizer
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