1Z0-171 Examinations Actual Questions, New 1Z0-171 Dumps Free

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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: Retrieving Data Using SQL	- Joins and Subqueries 1. Inner and outer joins 2. Correlated and non-correlated subqueries - SELECT statements 1. Filtering with WHERE clause 2. Column selection and expressions 3. Sorting results with ORDER BY
Topic 3: 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
Topic 4: Data Manipulation Language (DML)	- Insert, Update, Delete operations 1. Data integrity considerations 2. Transaction control (COMMIT, ROLLBACK)
Topic 5: 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 (Q73-Q78):

NEW QUESTION # 73
Which data dictionary view lists all indexes created by the current user?

A. INDEX_LIST
B. ALL_INDEXES
C. USER_INDEXES
D. DBA_INDEXES

Answer: C

NEW QUESTION # 74
What will the following SQL query return?
SELECT TRUNC(15.678, 2) AS truncated_value FROM dual;

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

Answer: B

NEW QUESTION # 75
Which command revokes a user's privilege to update a table?

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

Answer: B

NEW QUESTION # 76
What is the result of using the following SQL query?
SELECT 100 + NULL AS result;

A. An error
B. 0
C. NULL
D. 1

Answer: C

NEW QUESTION # 77
In a relational database, what is a foreign key?

A. A temporary key generated during query execution
B. A unique identifier for a record in a table
C. A key that is used to establish a relationship between two tables
D. A key used to sort data in a specific order

Answer: C

NEW QUESTION # 78
......

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