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Oracle 1Z0-171 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: Relational Database Concepts- Database fundamentals and relational model
      • 1. Entity relationships and normalization basics
        • 2. Tables, rows, columns, and keys
          Topic 3: Data Definition Language (DDL)- Schema objects
          • 1. Tables and constraints
            • 2. Views and indexes
              Topic 4: 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. Column selection and expressions
                      • 3. Filtering with WHERE clause
                        Topic 5: 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

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                                Oracle Database 23ai SQL Associate Sample Questions (Q79-Q84):

                                NEW QUESTION # 79
                                What is a subquery in SQL?

                                Answer: A


                                NEW QUESTION # 80
                                Which SQL statement is used to create a table?

                                Answer: B


                                NEW QUESTION # 81
                                What does the following query return?
                                SELECT ROUND(123.456, 1) AS rounded_value FROM dual;

                                Answer: B


                                NEW QUESTION # 82
                                What is the result of the following SQL query?
                                SELECT COALESCE(NULL, 100, 200) AS result FROM dual;

                                Answer: C


                                NEW QUESTION # 83
                                Which SQL clause is used to specify the source table in a query?

                                Answer: B


                                NEW QUESTION # 84
                                ......

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