Reliable 1Z0-171 Dumps Questions | 1Z0-171 VCE Dumps

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Oracle 1Z0-171 Exam Syllabus Topics:

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

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                                Oracle Database 23ai SQL Associate Sample Questions (Q56-Q61):

                                NEW QUESTION # 56
                                What type of join does the following query perform?
                                SELECT *
                                FROM employees e, departments d
                                WHERE e.department_id = d.department_id;

                                Answer: C


                                NEW QUESTION # 57
                                Which data dictionary view provides information about all tables accessible to the current user?

                                Answer: B


                                NEW QUESTION # 58
                                Which SQL function can be used to replace NULL values with a specified value?

                                Answer: B


                                NEW QUESTION # 59
                                Which SQL function converts a string representation of a date into a date data type?

                                Answer: A


                                NEW QUESTION # 60
                                What is the purpose of the DBA_OBJECTS data dictionary view?

                                Answer: B


                                NEW QUESTION # 61
                                ......

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