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Oracle Database 23ai SQL Associate Sample Questions:

1. Which of the following statements creates an ascending sequence starting at 100 and incrementing by 10?

A) CREATE SEQUENCE seq_1 START WITH 100 INCREMENT BY -10;
B) CREATE SEQUENCE seq_1 START WITH 10 INCREMENT BY 100;
C) CREATE SEQUENCE seq_1 START WITH 100 INCREMENT BY 10;
D) CREATE SEQUENCE seq_1 START WITH 10 INCREMENT BY -100;

2. What does the following query return?
SELECT employee_id
FROM employees
WHERE department_id IN (SELECT department_id FROM departments WHERE location_id = 1000);

A) Departments located in location ID 1000
B) Employees working in location ID 1000
C) Employees with salaries greater than 1000
D) Employees with no department

3. 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

4. Which type of privilege allows a user to perform administrative tasks, such as creating other users?

A) System privilege
B) Object privilege
C) Table privilege
D) Schema privilege

5. Which type of join includes rows that do not have matching values in the joined table?

A) CROSS JOIN
B) SELF JOIN
C) OUTER JOIN
D) INNER JOIN

Solutions: