Oracle® PL/SQL® Interactive Workbook, Second Edition By Benjamin Rosenzweig, Elena Silvestrova
Table of Contents
Appendix A. Answers to Self-Review Questions
Lab 1.1 Self-Review Answers
A1:
Questions
Answers
Comments
1)
A
Machine language is the native language of a particular computer; hence, it is easiest for a computer to understand.
A2:
Questions
Answers
Comments
2)
B
Machine language is defined by the hardware of a computer; thus, it is machine-specific.
A3:
Questions
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Comments
3)
B
The interpreter translates each statement in the program into machine language and executes it immediately before the next statement is examined.
A4:
Questions
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Comments
4)
B
A program must be compiled in order to create an executable that can then run as many times as needed.
A5:
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Comments
5)
A
Because a computer cannot understand statements written in the assembly language, they must be translated into machine language with the help of an assembler.
Lab 1.2 Self-Review Answers
A1:
Questions
Answers
Comments
1)
C
A2:
Questions
Answers
Comments
2)
B
Structured programming allows you to organize your program into subroutines so each one focuses on a particular part of the overall problem. The control is then transferred between these subroutines.
A3:
Questions
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Comments
3)
B
Linear execution of code assumes that statements are executed in the order they appear.
A4:
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Comments
4)
A
If the test condition does not evaluate to TRUE, the selection statements are not executed.
A5:
Questions
Answers
Comments
5)
B
A SELECT statement may be formatted perfectly and still produce incorrect results.
