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Oracle 1Z1-171 Exam Syllabus Topics:

SectionObjectives
Topic 1: Advanced SQL Features- Aggregations and grouping
  • 1. GROUP BY and HAVING
    • 2. Aggregate functions
      - Set operators and functions
      • 1. Single-row and group functions
        • 2. UNION, INTERSECT, MINUS
          Topic 2: Data Manipulation Language (DML)- Insert, Update, Delete operations
          • 1. Data integrity considerations
            • 2. Transaction control (COMMIT, ROLLBACK)
              Topic 3: Retrieving Data Using SQL- SELECT statements
              • 1. Filtering with WHERE clause
                • 2. Column selection and expressions
                  • 3. Sorting results with ORDER BY
                    - Joins and Subqueries
                    • 1. Correlated and non-correlated subqueries
                      • 2. Inner and outer joins
                        Topic 4: Data Definition Language (DDL)- Schema objects
                        • 1. Tables and constraints
                          • 2. Views and indexes
                            Topic 5: Relational Database Concepts- Database fundamentals and relational model
                            • 1. Entity relationships and normalization basics
                              • 2. Tables, rows, columns, and keys

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                                Oracle Database 23ai SQL Associate Sample Questions (Q79-Q84):

                                NEW QUESTION # 79
                                How are NULL values treated in relational databases?

                                Answer: C


                                NEW QUESTION # 80
                                Which SQL function can be used to replace NULL values with a specified value?

                                Answer: D


                                NEW QUESTION # 81
                                In a relational database, what is a foreign key?

                                Answer: C


                                NEW QUESTION # 82
                                What does the following SQL query do?
                                SELECT *
                                FROM employees e
                                JOIN employees m ON e.manager_id = m.employee_id;

                                Answer: D


                                NEW QUESTION # 83
                                How can a synonym benefit database design?

                                Answer: D


                                NEW QUESTION # 84
                                ......

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