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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Manipulation Language (DML) | - Insert, Update, Delete operations
|
| Data Definition Language (DDL) | - Schema objects
|
| Retrieving Data Using SQL | - SELECT statements
|
| Relational Database Concepts | - Database fundamentals and relational model
|
| Advanced SQL Features | - Aggregations and grouping
|
Oracle Database 23ai SQL Associate Sample Questions:
Which command creates a new role in Oracle Database?
- A. CREATE ROLE role_name;
- B. CREATE NEW ROLE role_name;
- C. ADD ROLE role_name;
Correct Answer: A 🗳️
What is the result of the following SQL query?
SELECT COALESCE(NULL, 100, 200) AS result FROM dual;
- A. NULL
- B. 100
- C. 200
- D. 300
Correct Answer: B 🗳️
What does the following SQL query do?
SELECT * FROM employees WHERE salary > 5000 ORDER BY department_id;
- A. Retrieves all employees with a salary greater than 5000, sorted by salary in ascending order
- B. Retrieves employees with salary less than 5000, sorted by department ID
- 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
Correct Answer: C 🗳️
What does the COMMIT statement do in SQL?
- A. Saves all pending changes to the database permanently
- B. Discards all pending changes in the transaction
- C. Rolls back changes to a previous state
- D. Begins a new transaction
Correct Answer: A 🗳️
Which SQL function converts a string representation of a date into a date data type?
- A. TO_DATE
- B. CONVERT_TO_DATE
- C. DATE_CONVERT
- D. CAST_TO_DATE
Correct Answer: A 🗳️
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