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Oracle 1Z1-171 Exam Syllabus Topics:

Section	Objectives
Topic 1: 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 2: Data Manipulation Language (DML)	- Insert, Update, Delete operations 1. Data integrity considerations 2. Transaction control (COMMIT, ROLLBACK)
Topic 3: Data Definition Language (DDL)	- Schema objects 1. Tables and constraints 2. Views and indexes
Topic 4: Relational Database Concepts	- Database fundamentals and relational model 1. Entity relationships and normalization basics 2. Tables, rows, columns, and keys
Topic 5: 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

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

NEW QUESTION # 26
What does the following SQL query do?
SELECT * FROM employees WHERE salary > 5000 ORDER BY department_id;

A. Retrieves all employees, sorted by department ID
B. Retrieves employees with salary less than 5000, sorted by department ID
C. Retrieves all employees with a salary greater than 5000, sorted by salary in ascending order
D. Retrieves all employees with a salary greater than 5000, sorted by department ID in ascending order

Answer: D

NEW QUESTION # 27
What is the purpose of the SAVEPOINT statement?

A. To set a point within a transaction to which a rollback can occur
B. To restart a transaction
C. To save changes permanently
D. To delete data temporarily

Answer: A

NEW QUESTION # 28
What does the following SQL statement do?
CREATE TABLE employees (
employee_id NUMBER PRIMARY KEY,
first_name VARCHAR2(50),
hire_date DATE NOT NULL
);

A. Creates a temporary table
B. Creates a table with a primary key and a NOT NULL constraint
C. Creates a table with only VARCHAR2 and DATE columns
D. Creates a table with no constraints

Answer: B

NEW QUESTION # 29
What does the following query return?
SELECT ROUND(123.456, 1) AS rounded_value FROM dual;

A. 0
B. 123.5
C. 123.4
D. 123.45

Answer: B

NEW QUESTION # 30
What will the following query do?
DELETE FROM employees
WHERE department_id = 20;

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

Answer: D

NEW QUESTION # 31
......

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