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Oracle 1Z1-171 Exam Syllabus Topics:

Section	Objectives
Data Manipulation Language (DML)	- Insert, Update, Delete operations 1. Data integrity considerations 2. Transaction control (COMMIT, ROLLBACK)
Data Definition Language (DDL)	- Schema objects 1. Views and indexes 2. Tables and constraints
Advanced SQL Features	- Set operators and functions 1. UNION, INTERSECT, MINUS 2. Single-row and group functions - 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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Quiz 1Z1-171 - Efficient Free Oracle Database 23ai SQL Associate Vce Dumps

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Oracle Database 23ai SQL Associate Sample Questions (Q87-Q92):

NEW QUESTION # 87
What is the purpose of using external tables in Oracle Database?

A. To improve the performance of complex queries
B. To manage data stored in external files using SQL
C. To create temporary tables for session-specific data
D. To store backup copies of database tables

Answer: B

NEW QUESTION # 88
What does the following query return?
SELECT department_id FROM departments
INTERSECT
SELECT department_id FROM employees;

A. Department IDs that exist in both the departments and employees tables
B. All department IDs from the departments table
C. Department IDs that exist only in the employees table
D. All department IDs from the employees table

Answer: A

NEW QUESTION # 89
Which function is used to convert a string to uppercase in SQL?

A. UPPER
B. CONVERT_UPPER
C. CASE_UPPER
D. TO_UPPERCASE

Answer: A

NEW QUESTION # 90
What happens if a DELETE statement is executed without a WHERE clause?

A. An error is raised.
B. All rows in the table are deleted.
C. No rows are deleted.
D. Only the first row is deleted.

Answer: B

NEW QUESTION # 91
Which of the following statements creates an ascending sequence starting at 100 and incrementing by 10?

A. CREATE SEQUENCE seq_1 START WITH 10 INCREMENT BY 100;
B. CREATE SEQUENCE seq_1 START WITH 100 INCREMENT BY 10;
C. CREATE SEQUENCE seq_1 START WITH 100 INCREMENT BY -10;
D. CREATE SEQUENCE seq_1 START WITH 10 INCREMENT BY -100;

Answer: B

NEW QUESTION # 92
......

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