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Oracle 1Z1-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

1. What will the following SQL query do?
UPDATE employees
SET salary = salary * 1.1
WHERE department_id = 10;

A) Decrease the salary of employees in department 10 by 10%
B) Increase the salary of employees in department 10 by 10%
C) Set the salary to 1.1 for employees in department 10
D) Increase the salary of all employees by 10%

2. Which command is used to add a new column to an existing table?

A) ADD COLUMN
B) MODIFY COLUMN
C) ALTER TABLE
D) ALTER COLUMN

3. What will the following query return?
SELECT EXTRACT(YEAR FROM CURRENT_DATE) AS year FROM dual;

A) An error due to incorrect syntax
B) The current year in the database time zone
C) The full date in the session time zone

4. What is the purpose of the DBA_OBJECTS data dictionary view?

A) To list all users in the database
B) To monitor system performance
C) To provide information about all objects in the database
D) To show the current session details

5. Which of the following data dictionary views provides information about constraints on tables?

A) ALL_CONSTRAINTS
B) USER_CONSTRAINTS
C) DBA_CONSTRAINTS
D) All of the above

Solutions: