1z0-071 Exam - Free Actual Q&As, Page 1

1z0-071 Actual Exam Questions

Last updated on Dec. 13, 2024.

Vendor:Oracle

Exam Code:1z0-071

Exam Name:Oracle Datbase 12c SQL

Exam Questions:272

Topic 1 - Single Topic

Question #1 Topic 1

Examine the description of the PROMOTIONS table:

You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)

A. SELECT DISTINCT promo_category || ' has ' || promo_cost AS COSTS FROM promotions ORDER BY 1;
B. SELECT DISTINCT promo_cost || ' in ' || DISTINCT promo_category FROM promotions ORDER BY 1;
C. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
D. SELECT promo_category DISTINCT promo_cost, FROM promotions ORDER BY 2;
E. SELECT promo_cost, promo_category FROM promotions ORDER BY 1;

Reveal Solution Discussion 15

Correct Answer: AC 🗳️

Question #2 Topic 1

Examine the description of the PRODUCTS table:

Which three queries use valid expressions? (Choose three.)

A. SELECT product_id, unit_price, S "Discount", unit_price + surcharge - discount FROM products;
B. SELECT product_id, (unit_price * 0.15 / (4.75 + 552.25)) FROM products;
C. SELECT product_id, (expiry_date - delivery_date) * 2 FROM products;
D. SELECT product_id, unit_price || 5 "Discount", unit_price + surcharge - discount FROM products;
E. SELECT product_id, expiry_date * 2 FROM products;
F. SELECT product_id, unit_price, unit_price + surcharge FROM products;

Reveal Solution Discussion 22

Correct Answer: BCF 🗳️

Question #3 Topic 1

What is true about non-equijoin statement performance? (Choose two.)

A. The BETWEEN condition always performs less well than using the >= and <= conditions.
B. The BETWEEN condition always performs better than using the >= and <= conditions.
C. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax.
D. Table aliases can improve performance.
E. The join syntax used makes no difference to performance.

Reveal Solution Discussion 17

Correct Answer: CD 🗳️

Question #4 Topic 1

Which two are true? (Choose two.)

A. ADD_MONTHS adds a number of calendar months to a date.
B. CEIL requires an argument which is a numeric data type.
C. CEIL returns the largest integer less than or equal to a specified number.
D. LAST_DAY returns the date of the last day of the current month only.
E. LAST_DAY returns the date of the last day of the month for the date argument passed to the function.
F. LAST_DAY returns the date of the last day of the previous month only.

Reveal Solution Discussion 27

Correct Answer: AE 🗳️

Question #5 Topic 1

Which three statements are true about Oracle synonyms? (Choose three.)

A. A synonym cannot be created for a PL/SQL package.
B. A synonym can be available to all users.
C. A SEQUENCE can have a synonym.
D. Any user can drop a PUBLIC synonym.
E. A synonym created by one user can refer to an object belonging to another user.

Reveal Solution Discussion 6

Correct Answer: BCE 🗳️

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