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Question ID 8132

Which operator is not appropriate in the joined condition of none equijoin select statement?

Option A

In operator

Option B

Like operators.

Option C

Equal operators.

Option D

Between x and y operator.

Option E

Greater than and equal to operator.

Correct Answer C
Explanation Explanation/Reference: Explanation: Answer C is correct because none equijoin select statement can not contain operator "=" by definition. Incorrect Answers: A: Operator IN can be used in none equijoin select statement. B: Operator LIKE can be used in none equijoin select statement. D: BETWEEN operator can be used in none equijoin select statement. E: Operator ">=" can be used in none equijoin select statement. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 50-53 Chapter 4: Advanced Data Selection in Oracle


Question ID 8133

What should you do after each fetch statement in the PL/SQL block?

Option A

Open the cursor.

Option B

Close the cursor.

Option C

Initialize the loop.

Option D

Test for the rows using the cursor attribute.

Correct Answer D
Explanation Explanation/Reference: Explanation: Answer D is correct because after each FETCH statement you should use SQL%NOTFOUND or SQL% FOUND implicit cursor attributes to check whether fetch statement processed any row data from cursor. Incorrect Answers: A: You need to open cursor before first fetch statement usage. You don't need reopen cursor after each FETCH statement. B: You need to close cursor after you finished to use it. You don't need close and reopen cursor after each FETCH statement. C: Loop does not need to be initialised after each FETCH statement, SQL%NOTFOUND or SQL%FOUND implicit cursor attributes will show when you need to exit from the loop. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 224 Chapter 5: Introducing PL/SQL

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