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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Retrieving Data Using SQL | - SELECT statements
|
| Relational Database Concepts | - Database fundamentals and relational model
|
| Data Manipulation Language (DML) | - Insert, Update, Delete operations
|
| Data Definition Language (DDL) | - Schema objects
|
| Advanced SQL Features | - Set operators and functions
|
Oracle Database 23ai SQL Associate Sample Questions:
1. Which of the following data dictionary views provides information about constraints on tables?
A) DBA_CONSTRAINTS
B) All of the above
C) ALL_CONSTRAINTS
D) USER_CONSTRAINTS
2. What does the following SQL statement do?
SELECT e.employee_id, d.department_name
FROM employees e
JOIN departments d ON e.department_id = d.department_id;
A) Retrieves only departments with no employees
B) Retrieves only employees without departments
C) Retrieves all employees and their departments
D) Retrieves employees and departments with matching department_id
3. What does the following SQL query return?
SELECT employee_id, salary * 12 AS annual_salary FROM employees;
A) Salaries multiplied by 12 and stored in a new table
B) Monthly salaries of all employees
C) Only employees with salaries greater than 12
D) Employee IDs and their annual salaries
4. What does the INTERSECT operator do in SQL?
A) Combines rows from two queries and includes all duplicates
B) Combines all rows from two queries without any conditions
C) Returns rows from the first query that are not present in the second query
D) Returns rows that are present in both queries
5. Which component of an ERD (Entity-Relationship Diagram) represents the attributes of an entity?
A) Arrows
B) Ovals
C) Diamonds
D) Rectangles
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: B |
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