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Oracle 1Z0-171 Exam Syllabus Topics:

SectionObjectives
Topic 1: Data Definition Language (DDL)- Schema objects
  • 1. Views and indexes
    • 2. Tables and constraints
      Topic 2: Advanced SQL Features- Set operators and functions
      • 1. UNION, INTERSECT, MINUS
        • 2. Single-row and group functions
          - Aggregations and grouping
          • 1. Aggregate functions
            • 2. GROUP BY and HAVING
              Topic 3: Retrieving Data Using SQL- SELECT statements
              • 1. Column selection and expressions
                • 2. Sorting results with ORDER BY
                  • 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. Data integrity considerations
                          • 2. Transaction control (COMMIT, ROLLBACK)
                            Topic 5: Relational Database Concepts- Database fundamentals and relational model
                            • 1. Tables, rows, columns, and keys
                              • 2. Entity relationships and normalization basics

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                                Oracle Database 23ai SQL Associate Sample Questions (Q84-Q89):

                                NEW QUESTION # 84
                                What does the following SQL query do?
                                SELECT *
                                FROM employees e
                                JOIN employees m ON e.manager_id = m.employee_id;

                                Answer: A


                                NEW QUESTION # 85
                                Which clause in an UPDATE statement typically uses a subquery to assign values to columns?

                                Answer: B


                                NEW QUESTION # 86
                                Which SQL clause is used to specify the source table in a query?

                                Answer: A


                                NEW QUESTION # 87
                                What is the default order of evaluation when multiple SET operators are used in a query?

                                Answer: D


                                NEW QUESTION # 88
                                What does the UNION ALL operation do when selecting matching columns from different tables?
                                SELECT employee_id, salary FROM employees
                                UNION ALL
                                SELECT employee_id, bonus FROM bonuses;

                                Answer: A


                                NEW QUESTION # 89
                                ......

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