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IBM C2090-913 問題練習

Informix 4GL Development 試験

最新更新時間: 2020/11/16,合計96問。

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Question No : 1
What is the CONSTRUCT statement used for?

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Question No : 2
Which statements about INFORMIX-4GL are true?

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Question No : 3
How many MAIN functions are required for an INFORMIX-4GL program?

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Question No : 4
What is a computer file of INFORMIX-4GL instructions called?

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Question No : 5
Which statements will close an UPDATE cursor, defined without the WITH HOLD option, in a transaction logging database?

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Question No : 6
A cursor defined WITH HOLD gets closed when which statement is executed?

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Question No : 7
After which event is a cursor declared WITH HOLD closed?

正解:

Question No : 8
Click the <<ItemExhibitName>> button to view the exhibit.

image030

What happens when the last statement in the code sample in the exhibit is executed?
A. Row 0 is fetched into sel_var.
B. The run-time error is generated.
C. The value of SQLCA.SQLCODE will equal NOTFOUND.
D. The last row in the active set is fetched into sel_var.

正解: B

Question No : 9
While running a 4GL application that utilizes cursors heavily, what can you do if the amount of free memory falls dangerously low?

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Question No : 10
What can a scroll cursor do?

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Question No : 11
What is the purpose of a cursor?

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Question No : 12
Which ISOLATION level should be used when writing a batch report that can ignore incomplete transactions?

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Question No : 13
Which are valid statements?

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Question No : 14
What is the scope of a transaction?

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Question No : 15
What happens to an open transaction if the 4GL program terminates?

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