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Oracle 1z0-071 Exam Syllabus Topics:

SectionObjectives
Topic 1: Data Manipulation and Schema Objects- DML operations
  • 1. INSERT, UPDATE, DELETE, MERGE
    - DDL operations
    • 1. CREATE, ALTER, DROP tables and constraints
      Topic 2: Subqueries and Advanced SQL- Single-row and multi-row subqueries
      - Correlated subqueries and nested queries
      Topic 3: SQL Retrieval- Joins and set operations
      • 1. UNION, INTERSECT, MINUS
        • 2. INNER, OUTER, CROSS joins
          - SELECT statements and filtering data
          • 1. ORDER BY and row limiting
            • 2. WHERE clause and conditions
              Topic 4: Relational Database Concepts- Tables, rows, columns, and relational model basics
              - Data types and database objects overview
              Topic 5: SQL Functions- Conversion and conditional functions
              • 1. TO_CHAR, TO_NUMBER, CASE expressions
                - Single-row functions
                • 1. Character, numeric, date functions

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                  Oracle Database SQL Sample Questions (Q400-Q405):

                  NEW QUESTION # 400
                  Examine the structure of the SHIPMENTS table:

                  You want to generate a report that displays the PO_ID and the penalty amount to be paid if the SHIPMENT_DATE is later than one month from the PO_DATE. The penalty is $20 per day.
                  Evaluate the following two queries:

                  Which statement is true regarding the above commands?

                  Answer: C


                  NEW QUESTION # 401
                  Examine this statement:

                  Which two statements are true?

                  Answer: A,F

                  Explanation:
                  D . All remaining employee names will appear in descending order F. The names of employees with maximum salary will appear first in descending order Comprehensive and Detailed Explanation WITH all Reference:
                  Analyzing the given SQL query:
                  ORDER BY CASE WHEN salary = (SELECT max(salary) FROM employees) THEN 'A' ELSE last_name END, last_name DESC; Here's what happens in the query:
                  The CASE statement checks if the employee's salary is equal to the maximum salary in the table.
                  If an employee has the maximum salary, they are assigned a constant value 'A', else their last_name is used for sorting.
                  Since 'A' comes before any possible last name value in ascending order, all employees with the maximum salary will be listed first.
                  After the CASE expression, the query specifies last_name DESC. This means that within each group sorted by the CASE expression, the names will be sorted in descending order.
                  Therefore, the employees with the maximum salary will appear first, and within that group, if there is more than one employee with the same maximum salary, they will be sorted in descending order by last name (F). Then, all remaining employee names will appear in descending order (D).
                  Reference:
                  Oracle Documentation on CASE Expressions: CASE Expressions
                  Oracle Documentation on Sorting Query Results: Sorting Query Results


                  NEW QUESTION # 402
                  You execute this command:
                  TRUNCATE TABLE depts;
                  Which two are true?

                  Answer: A,E


                  NEW QUESTION # 403
                  Evaluate the following query:
                  Which is the correct output of the above query?

                  Answer: C


                  NEW QUESTION # 404
                  View the Exhibit and examine the structure of the ORDER_ITEMS and ORDERStables.

                  You are asked to retrieve the ORDER_ID,product_ID, and total price (UNIT_PRICEmultiplied by QUANTITY), where the total price is greater than 50,000.
                  You executed the following SQL statement:
                  SELECTprder_id, product_id, unit_price*quantity "Total Price"
                  FROM order_items
                  WHERE unit_price*quantity > 50000
                  NATURAL JOIN orders;
                  Which statement is true regarding the execution of the statement?

                  Answer: A


                  NEW QUESTION # 405
                  ......

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