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Oracle Database 23ai SQL Associate Sample Questions:

1. What does the following SQL query do?
SELECT * FROM employees WHERE salary > 5000 ORDER BY department_id;

A) Retrieves employees with salary less than 5000, sorted by department ID
B) Retrieves all employees with a salary greater than 5000, sorted by salary in ascending order
C) Retrieves all employees with a salary greater than 5000, sorted by department ID in ascending order
D) Retrieves all employees, sorted by department ID

2. Which command creates a new role in Oracle Database?

A) CREATE NEW ROLE role_name;
B) ADD ROLE role_name;
C) CREATE ROLE role_name;

3. What is the purpose of the SAVEPOINT statement?

A) To delete data temporarily
B) To set a point within a transaction to which a rollback can occur
C) To restart a transaction
D) To save changes permanently

4. What will the following query result in?
SELECT e.employee_id, e.manager_id
FROM employees e
WHERE e.manager_id IS NOT NULL;

A) All employees and their IDs
B) Employees who do not have managers
C) Employees and their managers' IDs
D) Employees who have managers

5. Which of the following is a valid reason to create a synonym?

A) To provide simplified and consistent access to an object
B) To automatically generate numeric values for a column
C) To enforce unique constraints on a table
D) To improve query performance

Solutions: