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Oracle 1Z0-171 Exam Syllabus Topics:

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

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Oracle Database 23ai SQL Associate Sample Questions (Q26-Q31):

NEW QUESTION # 26
What is the relationship between SQL and a relational database?

A. SQL is a standard query language used to interact with relational databases
B. SQL is a file system used to store relational database data.
C. SQL is used to create flat file databases.
D. SQL is a scripting language used for file manipulation.

Answer: A

NEW QUESTION # 27
Which clause is used to ensure that only specific rows are deleted in a DELETE statement?

A. SET
B. FROM
C. HAVING
D. WHERE

Answer: D

NEW QUESTION # 28
What will the following query return?
SELECT TO_CHAR(SYSDATE, 'DD-MM-YYYY') AS formatted_date FROM dual;

A. An error
B. The time part of the current date
C. The current date in the default system format
D. The current date in the format 'DD-MM-YYYY'

Answer: D

NEW QUESTION # 29
Which of the following is a valid reason to create a synonym?

A. To improve query performance
B. To provide simplified and consistent access to an object
C. To automatically generate numeric values for a column
D. To enforce unique constraints on a table

Answer: B

NEW QUESTION # 30
Which data dictionary view provides information about all tables accessible to the current user?

A. DBA_TABLES
B. SESSION_TABLES
C. ALL_TABLES
D. USER_TABLES

Answer: C

NEW QUESTION # 31
......

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