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Oracle 1Z0-171 Exam Syllabus Topics:

Section	Objectives
Topic 1: Advanced SQL Features	- Aggregations and grouping 1. GROUP BY and HAVING 2. Aggregate functions - Set operators and functions 1. UNION, INTERSECT, MINUS 2. Single-row and group functions
Topic 2: Data Manipulation Language (DML)	- Insert, Update, Delete operations 1. Transaction control (COMMIT, ROLLBACK) 2. Data integrity considerations
Topic 3: Relational Database Concepts	- Database fundamentals and relational model 1. Tables, rows, columns, and keys 2. Entity relationships and normalization basics
Topic 4: Data Definition Language (DDL)	- Schema objects 1. Tables and constraints 2. Views and indexes
Topic 5: Retrieving Data Using SQL	- SELECT statements 1. Column selection and expressions 2. Filtering with WHERE clause 3. Sorting results with ORDER BY - Joins and Subqueries 1. Inner and outer joins 2. Correlated and non-correlated subqueries

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Oracle Database 23ai SQL Associate Sample Questions (Q67-Q72):

NEW QUESTION # 67
Which command grants a user the ability to query data from a specific table?

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

Answer: B

NEW QUESTION # 68
What does the COMMIT statement do in SQL?

A. Rolls back changes to a previous state
B. Saves all pending changes to the database permanently
C. Discards all pending changes in the transaction
D. Begins a new transaction

Answer: B

NEW QUESTION # 69
What does the UNION ALL operation do when selecting matching columns from different tables?
SELECT employee_id, salary FROM employees
UNION ALL
SELECT employee_id, bonus FROM bonuses;

A. Returns only employees with duplicate employee IDs in both tables
B. Combines the salaries and bonuses for employees, removing duplicates
C. Returns only the employees with salaries and bonuses
D. Combines all employee IDs, salaries, and bonuses, including duplicates

Answer: D

NEW QUESTION # 70
What is a SELF JOIN in SQL?

A. A join of a table with itself
B. A join used for Cartesian products
C. A join between tables with identical structures
D. A join that does not require a WHERE clause

Answer: A

NEW QUESTION # 71
Which command creates a new role in Oracle Database?

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

Answer: C

NEW QUESTION # 72
......

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