Oracle Database 1Z0-171

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Oracle 1Z0-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

Question #1
Which type of join retrieves only the rows with matching values in both tables?

A. CROSS JOIN
B. INNER JOIN
C. OUTER JOIN
D. NATURAL JOIN

Question #2
Which command revokes a user's privilege to update a table?

A. REMOVE UPDATE ON table_name FROM user_name;
B. REVOKE UPDATE ON table_name FROM user_name;
C. DELETE UPDATE ON table_name FROM user_name;
D. DENY UPDATE ON table_name FROM user_name;

Question #3
What is the output of the following query?
SELECT CURRENT_DATE FROM dual;

A. The current date and time in UTC
B. The current date in the database time zone
C. The current date in the session time zone
D. The current date and time in the database time zone

Question #4
What does the following SQL statement do?
SELECT e.employee_id, d.department_name
FROM employees e
JOIN departments d ON e.department_id = d.department_id;

A. Retrieves only departments with no employees
B. Retrieves all employees and their departments
C. Retrieves employees and departments with matching department_id
D. Retrieves only employees without departments

Question #5
What does the following SQL query return?
SELECT employee_id, salary * 12 AS annual_salary FROM employees;

A. Only employees with salaries greater than 12
B. Monthly salaries of all employees
C. Salaries multiplied by 12 and stored in a new table
D. Employee IDs and their annual salaries

Solutions: