Question 66

DRAG DROP
Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is exactly the same in each question in this series.
You are developing a database to track customer orders. The database contains the following tables:
Sales.Customers, Sales.Orders, and Sales.OrderLines. The following table describes the columns in Sales.Customers.

The following table describes the columns in Sales.Orders.

The following table describes the columns in Sales.OrderLines.

You need to create a function that calculates the highest tax rate charged for an item in a specific order.
Which five Transact-SQL segments should you use to develop the solution? To answer, move the appropriate Transact-SQL segments from the list of Transact-SQL segments to the answer area and arrange them in the correct order.
Select and Place:

Question 67

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have a database named DB1 that contains two tables named Sales.Customers and Sales.Orders.
Sales.Customers has a foreign key relationship to a column named CustomerID in Sales.Orders.
You need to recommend a query that returns all the customers. The query must also return the number of orders that each customer placed in 2016.
Solution: You recommend the following query:

Does this meet the goal?
  • Question 68

    You have a database named MyDb. You run the following Transact-SQL statements:

    A value of 1 in the IsActive column indicates that a user is active.
    You need to create a count for active users in each role. If a role has no active users. You must display a zero as the active users count.
    Which Transact-SQL statement should you run?
    A:

    B:

    C:

    D:
  • Question 69

    You have a database that includes the following tables.
    HumanResources.Employee

    Sales.SalesPerson

    The HumanResources.Employee table has 2,500 rows, and the Sales.SalesPerson table has 2,000 rows.
    You review the following Transact-SQL statement:

    You need to determine the performance impact of the query.
    How many times will a lookup occur on the primary key index on the Sales.SalesPerson table?
  • Question 70

    HOTSPOT
    Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is exactly the same in each question in this series.
    You query a database that includes two tables: Project and Task. The Project table includes the following columns:


    You need to identify the owner of each task by using the following rules:
    - Return each task's owner if the task has an owner.
    - If a task has no owner, but is associated with a project that has an owner, return the project's owner.
    - Return the value -1 for all other cases.
    How should you complete the Transact-SQL statement? To answer, select the appropriate Transact-SQL segments in the answer area.