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Oracle 1Z0-171 Exam Syllabus Topics:

Section	Objectives
Topic 1: 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 2: Relational Database Concepts	- Database fundamentals and relational model 1. Entity relationships and normalization basics 2. Tables, rows, columns, and keys
Topic 3: Retrieving Data Using SQL	- SELECT statements 1. Sorting results with ORDER BY 2. Column selection and expressions 3. Filtering with WHERE clause - Joins and Subqueries 1. Correlated and non-correlated subqueries 2. Inner and outer joins
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 23ai SQL Associate Sample Questions (Q43-Q48):

NEW QUESTION # 43
Which function is used to extract the year from a date in SQL?

A. YEAR(date)
B. TO_YEAR(date)
C. GET_YEAR(date)
D. EXTRACT(YEAR FROM date)

Answer: D

NEW QUESTION # 44
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. Decrease the salary of employees in department 10 by 10%
C. Increase the salary of all employees by 10%
D. Set the salary to 1.1 for employees in department 10

Answer: A

NEW QUESTION # 45
Which INTERVAL data type would you use to store a period of time in years and months?

A. INTERVAL MINUTE TO HOUR
B. INTERVAL YEAR TO MONTH
C. INTERVAL DAY TO SECOND
D. INTERVAL MONTH TO DAY

Answer: B

NEW QUESTION # 46
In a relational database, what is a foreign key?

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

Answer: D

NEW QUESTION # 47
Which of the following is a valid reason to create a synonym?

A. To automatically generate numeric values for a column
B. To improve query performance
C. To provide simplified and consistent access to an object
D. To enforce unique constraints on a table

Answer: C

NEW QUESTION # 48
......

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