1Z0-171題庫，1Z0-171認證

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Oracle 1Z0-171 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: Relational Database Concepts- Database fundamentals and relational model
          • 1. Tables, rows, columns, and keys
            • 2. Entity relationships and normalization basics
              Topic 3: Data Manipulation Language (DML)- Insert, Update, Delete operations
              • 1. Transaction control (COMMIT, ROLLBACK)
                • 2. Data integrity considerations
                  Topic 4: 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. Inner and outer joins
                          • 2. Correlated and non-correlated subqueries
                            Topic 5: Data Definition Language (DDL)- Schema objects
                            • 1. Tables and constraints
                              • 2. Views and indexes

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                                1Z0-171認證 - 最新1Z0-171考題

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                                最新的 Oracle Database 1Z0-171 免費考試真題 (Q21-Q26):

                                問題 #21
                                Which of the following is a valid reason to create a synonym?

                                答案：D


                                問題 #22
                                What will the following SQL query do?
                                UPDATE employees
                                SET salary = salary * 1.1
                                WHERE department_id = 10;

                                答案：A


                                問題 #23
                                Which command grants a user the ability to query data from a specific table?

                                答案：C


                                問題 #24
                                Which of the following ensures that a relational database enforces data integrity?

                                答案：D


                                問題 #25
                                Which of the following can be achieved using a correlated subquery?

                                答案：A


                                問題 #26
                                ......

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