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Oracle 1Z0-171 Exam Syllabus Topics:

SectionObjectives
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
          Data Definition Language (DDL)- Schema objects
          • 1. Views and indexes
            • 2. Tables and constraints
              Retrieving Data Using SQL- Joins and Subqueries
              • 1. Inner and outer joins
                • 2. Correlated and non-correlated subqueries
                  - SELECT statements
                  • 1. Sorting results with ORDER BY
                    • 2. Column selection and expressions
                      • 3. Filtering with WHERE clause
                        Relational Database Concepts- Database fundamentals and relational model
                        • 1. Entity relationships and normalization basics
                          • 2. Tables, rows, columns, and keys
                            Data Manipulation Language (DML)- Insert, Update, Delete operations
                            • 1. Data integrity considerations
                              • 2. Transaction control (COMMIT, ROLLBACK)

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                                Oracle Database 23ai SQL Associate Sample Questions (Q35-Q40):

                                NEW QUESTION # 35
                                What does the following query return?
                                SELECT employee_id
                                FROM employees
                                WHERE department_id IN (SELECT department_id FROM departments WHERE location_id = 1000);

                                Answer: D


                                NEW QUESTION # 36
                                What will the following query result in?
                                SELECT e.employee_id, e.manager_id
                                FROM employees e
                                WHERE e.manager_id IS NOT NULL;

                                Answer: C


                                NEW QUESTION # 37
                                What is the relationship between SQL and a relational database?

                                Answer: D


                                NEW QUESTION # 38
                                Which SQL JOIN keyword retrieves all rows from both tables, including those without matches?

                                Answer: B


                                NEW QUESTION # 39
                                In a relational database, what is a foreign key?

                                Answer: D


                                NEW QUESTION # 40
                                ......

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