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Oracle 1Z1-171 Exam Syllabus Topics:

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

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Oracle Database 23ai SQL Associate Sample Questions (Q95-Q100):

NEW QUESTION # 95
Which command is used to add a new column to an existing table?

A. MODIFY COLUMN
B. ALTER COLUMN
C. ALTER TABLE
D. ADD COLUMN

Answer: C

NEW QUESTION # 96
Which of the following can be achieved using a correlated subquery?

A. Joining two tables without a common column
B. Inserting data into a table
C. Comparing each employee's salary to the average salary of their department
D. Retrieving duplicate records from a single table

Answer: C

NEW QUESTION # 97
What is the purpose of the DBA_OBJECTS data dictionary view?

A. To monitor system performance
B. To list all users in the database
C. To show the current session details
D. To provide information about all objects in the database

Answer: D

NEW QUESTION # 98
What is the purpose of a correlated subquery?

A. A subquery that can be used only with aggregate functions
B. A subquery that references columns from the outer query
C. A subquery that combines data from multiple tables
D. A subquery that depends on the result of another subquery

Answer: B

NEW QUESTION # 99
What is a role in Oracle Database?

A. A set of privileges that can be granted to users or other roles
B. A database object used to enforce constraints
C. A user-defined function
D. A predefined SQL statement stored in the database

Answer: A

NEW QUESTION # 100
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