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Exam 1z0-071 topic 1 question 208 discussion

Actual exam question from Oracle's 1z0-071
Question #: 208
Topic #: 1
[All 1z0-071 Questions]

Examine the description of the CUSTOMERS table:



For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.

Which query should be used?

  • A. SELECT cust_first_name, cust_credit_limit * .05 AS due_amount

    FROM customers -
    WHERE cust_income_level IS NOT NULL
    AND cust_credit_limit IS NOT NULL
  • B. SELECT cust_first_name, cust_credit_limit * .05 AS due_amount

    FROM customers -

    WHERE cust_income_level <> NULL -
    AND due_amount <> NULL;
  • C. SELECT cust_first_name, cust_credit_limit * .05 AS due_amount

    FROM customers -

    WHERE cust_income_level != NULL -
    AND cust_credit_level != NULL;
  • D. SELECT cust_first_name, cust_credit_limit * .05 AS due_amount

    FROM customers -

    WHERE cust_income_level != NULL -
    AND due_amount != NULL;
  • E. SELECT cust_first_name, cust_credit_limit * .05 AS due_amount

    FROM customers -
    WHERE cust_income_level IS NOT NULL
    AND due_amount IS NOT NULL;
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by jfc1 at Feb. 16, 2023, 3:01 p.m.

Comments

Chosen Answer:
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jfc1
Highly Voted 2 years, 2 months ago
Selected Answer: A
A is the correct answer
upvoted 10 times
...
Thameur01
Most Recent 2 months, 2 weeks ago
Selected Answer: A
D is wrong because it’s using the alias in the were clause, but the where clause is executed first
upvoted 1 times
...
HUGO2024
7 months, 3 weeks ago
Selected Answer: A
A is the correct
upvoted 1 times
...
yaya32
1 year, 2 months ago
Selected Answer: A
A is correct
upvoted 1 times
...
lucemqy
1 year, 5 months ago
Selected Answer: A
A you can't use alias in where clause
upvoted 1 times
...
wi11111
1 year, 8 months ago
Selected Answer: A
A should be correct
upvoted 2 times
...
WingL
1 year, 9 months ago
100% A CORRECT. THE STATEMENT WILL EXECUTE THE 'WHERE' CONDITION FIRST BEFORE SELECT STATEMENT.
upvoted 1 times
...
zouve
1 year, 9 months ago
E is the correct answer
upvoted 1 times
bca123
3 months, 3 weeks ago
ALIAS NAME NOT WORKED IN WHERE CLAUSE
upvoted 1 times
...
...
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C (25%)
B (20%)
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