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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- 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
              Topic 3: Data Manipulation Language (DML)- Insert, Update, Delete operations
              • 1. Data integrity considerations
                • 2. Transaction control (COMMIT, ROLLBACK)
                  Topic 4: Retrieving Data Using SQL- Joins and Subqueries
                  • 1. Inner and outer joins
                    • 2. Correlated and non-correlated subqueries
                      - SELECT statements
                      • 1. Column selection and expressions
                        • 2. Sorting results with ORDER BY
                          • 3. Filtering with WHERE clause
                            Topic 5: Relational Database Concepts- Database fundamentals and relational model
                            • 1. Entity relationships and normalization basics
                              • 2. Tables, rows, columns, and keys

                                >> 1Z0-171 Regualer Update <<

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                                Oracle Database 23ai SQL Associate Sample Questions (Q95-Q100):

                                NEW QUESTION # 95
                                What will the following query do?
                                DELETE FROM employees
                                WHERE department_id = 20;

                                Answer: B


                                NEW QUESTION # 96
                                What does the following SQL query do?
                                SELECT *
                                FROM employees e
                                JOIN employees m ON e.manager_id = m.employee_id;

                                Answer: C


                                NEW QUESTION # 97
                                What does the following query return?
                                SELECT ROUND(123.456, 1) AS rounded_value FROM dual;

                                Answer: C


                                NEW QUESTION # 98
                                How can you ensure that data is sorted in descending order in a SQL query?

                                Answer: A


                                NEW QUESTION # 99
                                Which of the following ensures that a relational database enforces data integrity?

                                Answer: A


                                NEW QUESTION # 100
                                ......

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