Oracle 1Z1-171 Questions & Answers - in .pdf
- Total Q&A: 111
- Update: Oct 06, 2026
- Price: $59.99
- Vendor: Oracle
- Exam Code: 1Z1-171
- Exam Name: Oracle Database 23ai SQL Associate
- Features:
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- Exact Oracle 1Z1-171 Exam Questions with Correct Answers, verified by Experts with years of Experience in IT Field.
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Oracle 1Z1-171 Q&A - Testing Engine
- Total Q&A: 111
- Update: Oct 06, 2026
- Price: $59.99
- Vendor: Oracle
- Exam Code: 1Z1-171
- Exam Name: Oracle Database 23ai SQL Associate
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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|
| 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 | - SELECT statements
- 1. Column selection and expressions
- 2. Filtering with WHERE clause
- 3. Sorting results with ORDER BY
- Joins and Subqueries
- 1. Inner and outer joins
- 2. Correlated and non-correlated subqueries
|
| Relational Database Concepts | - Database fundamentals and relational model
- 1. Entity relationships and normalization basics
- 2. Tables, rows, columns, and keys
|
| Data Definition Language (DDL) | - Schema objects
- 1. Views and indexes
- 2. Tables and constraints
|
| Data Manipulation Language (DML) | - Insert, Update, Delete operations
- 1. Data integrity considerations
- 2. Transaction control (COMMIT, ROLLBACK)
|
Oracle Database 23ai SQL Associate Sample Questions:
Question #1
What will the following SQL query do?
UPDATE employees
SET salary = salary * 1.1
WHERE department_id = 10;
A. Increase the salary of employees in department 10 by 10%
B. Set the salary to 1.1 for employees in department 10
C. Increase the salary of all employees by 10%
D. Decrease the salary of employees in department 10 by 10%
Question #2
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
Question #3
What is the primary purpose of an index in SQL?
A. To enforce data integrity constraints
B. To store metadata about a table
C. To ensure uniqueness of values in a column
D. To improve the performance of data retrieval queries
Question #4
Which of the following can be achieved using a correlated subquery?
A. Joining two tables without a common column
B. Comparing each employee's salary to the average salary of their department
C. Retrieving duplicate records from a single table
D. Inserting data into a table
Question #5
Which type of subquery returns exactly one value?
A. Correlated subquery
B. Scalar subquery
C. Multiple-row subquery
D. Inline view
Solutions:
Question #1
Correct Answer: A | Question #2
Correct Answer: C | Question #3
Correct Answer: D | Question #4
Correct Answer: B | Question #5
Correct Answer: B |
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