Exam Oracle 1Z1-171 Overviews & Test 1Z1-171 Collection

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Oracle 1Z1-171 Exam Syllabus Topics:

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

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                                Test Oracle 1Z1-171 Collection - Valid 1Z1-171 Test Questions

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                                Oracle Database 23ai SQL Associate Sample Questions (Q97-Q102):

                                NEW QUESTION # 97
                                What will the following query do?
                                SELECT employee_id, salary
                                FROM employees
                                WHERE salary > (SELECT AVG(salary) FROM employees);

                                Answer: B


                                NEW QUESTION # 98
                                What will the following query return?
                                SELECT EXTRACT(YEAR FROM CURRENT_DATE) AS year FROM dual;

                                Answer: B


                                NEW QUESTION # 99
                                Which SQLPlus command displays defined substitution variable values?

                                Answer: D


                                NEW QUESTION # 100
                                What is the purpose of a correlated subquery?

                                Answer: A


                                NEW QUESTION # 101
                                Which type of join includes rows that do not have matching values in the joined table?

                                Answer: D


                                NEW QUESTION # 102
                                ......

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