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Oracle 1Z0-171 Exam Syllabus Topics:

SectionObjectives
Topic 1: Data Manipulation Language (DML)- Insert, Update, Delete operations
  • 1. Transaction control (COMMIT, ROLLBACK)
    • 2. Data integrity considerations
      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: 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 5: Retrieving Data Using SQL- Joins and Subqueries
                      • 1. Inner and outer joins
                        • 2. Correlated and non-correlated subqueries
                          - SELECT statements
                          • 1. Filtering with WHERE clause
                            • 2. Column selection and expressions
                              • 3. Sorting results with ORDER BY

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                                Oracle Database 23ai SQL Associate Sample Questions (Q15-Q20):

                                NEW QUESTION # 15
                                What does the following SQL statement do?
                                ALTER TABLE employees DROP COLUMN salary;

                                Answer: D


                                NEW QUESTION # 16
                                What is the difference between UNION and UNION ALL?

                                Answer: B


                                NEW QUESTION # 17
                                What is the primary purpose of granting privileges in Oracle Database?

                                Answer: C


                                NEW QUESTION # 18
                                What happens when the maximum value of a sequence is reached?

                                Answer: D


                                NEW QUESTION # 19
                                How are NULL values treated in relational databases?

                                Answer: C


                                NEW QUESTION # 20
                                ......

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