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Oracle 1Z0-171 Exam Syllabus Topics:

Section	Objectives
Data Manipulation Language (DML)	- Insert, Update, Delete operations 1. Transaction control (COMMIT, ROLLBACK) 2. Data integrity considerations
Advanced SQL Features	- Set operators and functions 1. Single-row and group functions 2. UNION, INTERSECT, MINUS - Aggregations and grouping 1. Aggregate functions 2. GROUP BY and HAVING
Data Definition Language (DDL)	- Schema objects 1. Views and indexes 2. Tables and constraints
Retrieving Data Using SQL	- SELECT statements 1. Filtering with WHERE clause 2. Sorting results with ORDER BY 3. Column selection and expressions - Joins and Subqueries 1. Correlated and non-correlated subqueries 2. Inner and outer joins
Relational Database Concepts	- Database fundamentals and relational model 1. Entity relationships and normalization basics 2. Tables, rows, columns, and keys

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Oracle Database 23ai SQL Associate Sample Questions (Q19-Q24):

NEW QUESTION # 19
What does the following command do?
GRANT CREATE SESSION TO user_name;

A. Allows the user to create new sessions for other users
B. Assigns the user to a specific role
C. Allows the user to create database objects
D. Grants the user the ability to connect to the database

Answer: D

NEW QUESTION # 20
Which of the following best describes a relational database?

A. A database where all data is stored as key-value pairs
B. A database that organizes data hierarchically
C. A database that uses a tabular structure with rows and columns to represent relationships between data entities
D. A flat file system with no defined relationships between data

Answer: C

NEW QUESTION # 21
What happens when the maximum value of a sequence is reached?

A. The sequence stops generating values.
B. The sequence resets to the starting value if the CYCLE option is specified.
C. An error is raised, and the sequence must be recreated.
D. The sequence starts decrementing values.

Answer: B

NEW QUESTION # 22
Which command creates a new role in Oracle Database?

A. CREATE NEW ROLE role_name;
B. CREATE ROLE role_name;
C. ADD ROLE role_name;

Answer: B

NEW QUESTION # 23
What is the result of the following query?
SELECT employee_id
FROM employees
WHERE EXISTS (SELECT 1 FROM departments WHERE department_id = 10);

A. Employees with salaries greater than 10
B. Employee IDs from departments with no employees
C. Employee IDs from department 10
D. All employee IDs

Answer: D

NEW QUESTION # 24
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