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Oracle 1Z1-171 Exam Syllabus Topics:

Section	Objectives
Data Definition Language (DDL)	- Schema objects 1. Tables and constraints 2. Views and indexes
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. GROUP BY and HAVING 2. Aggregate functions
Retrieving Data Using SQL	- Joins and Subqueries 1. Inner and outer joins 2. Correlated and non-correlated subqueries - SELECT statements 1. Sorting results with ORDER BY 2. Column selection and expressions 3. Filtering with WHERE clause
Relational Database Concepts	- Database fundamentals and relational model 1. Tables, rows, columns, and keys 2. Entity relationships and normalization basics

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Oracle Database 23ai SQL Associate Sample Questions (Q70-Q75):

NEW QUESTION # 70
Which function is used to extract the year from a date in SQL?

A. GET_YEAR(date)
B. EXTRACT(YEAR FROM date)
C. YEAR(date)
D. TO_YEAR(date)

Answer: B

NEW QUESTION # 71
What does the following SQL query do?
SELECT *
FROM employees e
JOIN employees m ON e.manager_id = m.employee_id;

A. Lists employees who are not managers
B. Lists employees who are managers
C. Lists employees and their corresponding managers
D. Lists employees without departments

Answer: C

NEW QUESTION # 72
How can you ensure that data is sorted in descending order in a SQL query?

A. Use the DESC keyword
B. Use the ORDER keyword
C. Use the DISTINCT keyword
D. Use the ASC keyword

Answer: A

NEW QUESTION # 73
What does the following SQL statement do?
ALTER TABLE employees DROP COLUMN salary;

A. Sets the salary column to NULL for all rows
B. Removes duplicate rows from the employees table
C. Deletes the employees table
D. Drops the salary column from the employees table

Answer: D

NEW QUESTION # 74
What happens when a temporary table is created in Oracle Database?

A. It cannot have any constraints.
B. It is permanently stored in the database.
C. It is created for the duration of a user session or transaction.
D. It is stored in external files.

Answer: C

NEW QUESTION # 75
......

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