Oracle Database 23ai SQL Associate - 1Z1-171 FREE EXAM DUMPS QUESTIONS & ANSWERS
What will the following SQL statement output?
SELECT first_name || ' ' || last_name AS full_name FROM employees;
SELECT first_name || ' ' || last_name AS full_name FROM employees;
Correct Answer: D
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Which statement can be used to undo changes made in a transaction?
Correct Answer: D
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What does the following SQL query do?
SELECT *
FROM employees e
JOIN employees m ON e.manager_id = m.employee_id;
SELECT *
FROM employees e
JOIN employees m ON e.manager_id = m.employee_id;
Correct Answer: C
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Which of the following is true about foreign key constraints in SQL?
Correct Answer: A
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What does the following query return?
SELECT ROUND(123.456, 1) AS rounded_value FROM dual;
SELECT ROUND(123.456, 1) AS rounded_value FROM dual;
Correct Answer: A
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Which clause is used to allow a user to grant a privilege to others?
Correct Answer: C
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What is the default order of evaluation when multiple SET operators are used in a query?
Correct Answer: C
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