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Oracle 1Z1-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

Question 1

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

Question 2

Which operator can be used in a multiple-row subquery to match a single value to a list of values?

A. =
B. IN
C. NOT NULL
D. EXISTS

Question 3

What is the purpose of a correlated subquery?

A. A subquery that depends on the result of another subquery
B. A subquery that combines data from multiple tables
C. A subquery that references columns from the outer query
D. A subquery that can be used only with aggregate functions

Question 4

Which of the following statements is true about constraints in Oracle Database?

A. Constraints can be added or modified using the ALTER TABLE statement.
B. Constraints are automatically dropped when rows are deleted.
C. Constraints can only be added when creating a table.
D. Constraints cannot reference other tables.

Question 5

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

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

Solutions: