1Z1-171指南 - 1Z1-171證照指南

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Oracle 1Z1-171 Exam Syllabus Topics:

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

                                >> 1Z1-171指南 <<

                                1Z1-171證照指南，新版1Z1-171考古題

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                                最新的 Oracle Database 1Z1-171 免費考試真題 (Q11-Q16):

                                問題 #11
                                Which SET operator returns rows from the first query that are not present in the second query?

                                答案：A


                                問題 #12
                                In a relational database, what is a foreign key?

                                答案：C


                                問題 #13
                                What does the EXISTS operator check in a subquery?

                                答案：B


                                問題 #14
                                What will the following query do?
                                SELECT employee_id, salary
                                FROM employees
                                WHERE salary > (SELECT AVG(salary) FROM employees);

                                答案：D


                                問題 #15
                                What does the following SQL query return?
                                SELECT employee_id, salary * 12 AS annual_salary FROM employees;

                                答案：D


                                問題 #16
                                ......

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                                1Z1-171證照指南: https://www.newdumpspdf.com/1Z1-171-exam-new-dumps.html