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QUESTION 33
Evaluate the following query:
SQL> SELECT TRUNC(ROUND(156.00, -1), -1)
FROM DUAL;
What would be the outcome?
A. 16
B. 100
C. 160
D. 200
E. 150
Answer: C
Explanation:
Function Purpose
ROUND(column|expression, n) Rounds the column, expression, or value to n decimal places or, if n is omitted, no decimal places (If n is negative, numbers to the left of decimal point are rounded.)
TRUNC(column|expression, n) Truncates the column, expression, or value to n decimal places or, if n is omitted, n defaults to zero
QUESTION 34
You want to display 5 percent of the rows from the sales table for products with the lowest AMOUNT_SOLD and also want to include the rows that have the same AMOUNT_SOLD even if this causes the output to exceed 5 percent of the rows. Which query will provide the required result?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
QUESTION 35
Examine the data in the PROMO_BEGIN_DATE column of the promotions table:
You want to display the number of promotions started in 1999 and 2000. Which query gives the correct output?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
QUESTION 36
You want to display the date for the first Monday of the next month and issue the following command:
What is the outcome?
A. It executes successfully and returns the correct result.
B. It executes successfully but does not return the correct result.
C. It generates an error because TO_CHAR should be replaced with TO_DATE.
D. It generates an error because rrrr should be replaced by rr in the format string.
E. It generates an error because fm and double quotation marks should not be used in the format string.
Answer: A
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