1Z0-171: Oracle Database 23ai SQL Associate exam cram sheet - Pass4sure preparation materials

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Oracle 1Z0-171 Exam Syllabus Topics:

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

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                                Oracle Database 23ai SQL Associate Sample Questions (Q90-Q95):

                                NEW QUESTION # 90
                                What is the primary purpose of an index in SQL?

                                Answer: B


                                NEW QUESTION # 91
                                Which command can be used to rename a table in Oracle Database?

                                Answer: B


                                NEW QUESTION # 92
                                In a relational database, what is a foreign key?

                                Answer: D


                                NEW QUESTION # 93
                                What will the following query do?
                                DELETE FROM employees
                                WHERE department_id = 20;

                                Answer: B


                                NEW QUESTION # 94
                                Which SET operator returns rows from the first query that are not present in the second query?

                                Answer: C


                                NEW QUESTION # 95
                                ......

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