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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. Data integrity considerations 2. Transaction control (COMMIT, ROLLBACK)
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
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. Filtering with WHERE clause 3. Sorting results with ORDER BY
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 (Q71-Q76):

NEW QUESTION # 71
What happens if a privilege is revoked from a user who has granted the same privilege to others?

A. The privilege is transferred to another user.
B. The privilege is revoked from all other users.
C. The privilege is retained by the other users.
D. The privilege cannot be revoked in this scenario.

Answer: B

NEW QUESTION # 72
What will the following SQL query return?
SELECT TRUNC(15.678, 2) AS truncated_value FROM dual;

A. 15.68
B. 15.67
C. 15.6
D. 15.678

Answer: B

NEW QUESTION # 73
What is the purpose of the MERGE statement in SQL?

A. To update existing rows or insert new rows in a target table
B. To join two tables into one
C. To combine the results of two queries
D. To delete duplicate rows from a table

Answer: A

NEW QUESTION # 74
What does the following SQL statement do?
ALTER TABLE employees DROP COLUMN salary;

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

Answer: A

NEW QUESTION # 75
Which type of INSERT statement allows inserting rows into multiple tables using a single SELECT query?

A. Insert rows into multiple tables simultaneously
B. Insert rows into a single table based on values in other tables
C. Insert rows into a table only when a condition is met
D. Insert rows into multiple tables without conditions

Answer: A

NEW QUESTION # 76
......

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