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Oracle 1Z0-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

1. Which command grants a user the ability to query data from a specific table?

A) GRANT SELECT ON table_name TO user_name;
B) GRANT ALL ON table_name TO user_name;
C) ALLOW SELECT ON table_name TO user_name;
D) ENABLE SELECT ON table_name TO user_name;

2. What is the purpose of using external tables in Oracle Database?

A) To create temporary tables for session-specific data
B) To store backup copies of database tables
C) To improve the performance of complex queries
D) To manage data stored in external files using SQL

3. Which of the following SET operators combines results from two queries and removes duplicates?

A) MINUS
B) INTERSECT
C) UNION ALL
D) UNION

4. 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) Set the salary to 1.1 for employees in department 10
C) Increase the salary of all employees by 10%
D) Increase the salary of employees in department 10 by 10%

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

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

Solutions: