VCE 1Z0-171 Exam Simulator | 1Z0-171 Exam Study Guide

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Oracle 1Z0-171 Exam Syllabus Topics:

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

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Oracle Database 1Z0-171 free valid dumps & Oracle 1Z0-171 actual pdf exam

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Oracle Database 23ai SQL Associate Sample Questions (Q85-Q90):

NEW QUESTION # 85
What will the following query do?
DELETE FROM employees
WHERE department_id = 20;

A. Delete the department_id column in the employees table
B. Delete all rows where department_id is 20
C. Delete all rows in the employees table
D. Raise an error because DELETE cannot use a WHERE clause

Answer: B

NEW QUESTION # 86
Which command would drop an index from a table?

A. DELETE INDEX
B. REMOVE INDEX
C. TRUNCATE INDEX
D. DROP INDEX

Answer: D

NEW QUESTION # 87
What does the following command do?
GRANT CREATE SESSION TO user_name;

A. Allows the user to create new sessions for other users
B. Grants the user the ability to connect to the database
C. Assigns the user to a specific role
D. Allows the user to create database objects

Answer: B

NEW QUESTION # 88
What happens when the TRUNCATE TABLE statement is executed?

A. Deletes all rows in the table and logs the operation for rollback
B. Deletes all rows in the table without logging the operation for rollback
C. Deletes the table structure permanently
D. Deletes only the last row in the table

Answer: B

NEW QUESTION # 89
Which command revokes a user's privilege to update a table?

A. REVOKE UPDATE ON table_name FROM user_name;
B. DENY UPDATE ON table_name FROM user_name;
C. DELETE UPDATE ON table_name FROM user_name;
D. REMOVE UPDATE ON table_name FROM user_name;

Answer: A

NEW QUESTION # 90
......

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