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Question 1:

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 that tracks orders and deliveries for customers in North America. The database contains the following tables:

Sales.Customers

Application.Cities

Sales.CustomerCategories

The company\’s development team is designing a customer directory application. The application must list customers by the area code of their phone number. The area code is defined as the first three characters of the phone number.

The main page of the application will be based on an indexed view that contains the area and phone number for all customers.

You need to return the area code from the PhoneNumber field.

Solution: You run the following Transact-SQL statement:

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: B

As the result of the function will be used in an indexed view we should use schemabinding. References: https://sqlstudies.com/2014/08/06/schemabinding-what-why/

Question 2:

You have a database that includes the tables shown in the exhibit. (Click the exhibit button.)

You need to create a list of all customers, the order ID for the last order that the customer placed, and the date that the order was placed. For customers who have not placed orders, you must substitute a zero for the order ID and 01/01/1990 for the date.

Which Transact-SQL statement should you run?

A. B. C. D.

Correct Answer: A

ISNULL Syntax: ISNULL ( check_expression , replacement_value ) author:”Luxemburg, Rosa”

The ISNULL function replaces NULL with the specified replacement value. The value of check_expression is returned if it is not NULL; otherwise, replacement_value is returned after it is implicitly converted to the type of check_expression.

References: https://msdn.microsoft.com/en-us/library/ms184325.aspx

Question 3:

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.

You have a database that contains tables named Customer_CRMSystem and Customer_HRSystem. Both tables use the following structure:

The tables include the following records: Customer_CRMSystem

Customer_HRSystem

Records that contain null values for CustomerCode can be uniquely identified by CustomerName. You need to display customers who appear in both tables and have a proper CustomerCode.

Which Transact-SQL statement should you run?

A. B. C. D. E.

Correct Answer: A

When there are null values in the columns of the tables being joined, the null values do not match each other. The presence of null values in a column from one of the tables being joined can be returned only by using an outer join (unless the WHERE clause excludes null values).

References: https://technet.microsoft.com/en-us/library/ms190409(v=sql.105).aspx

Question 4:

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 SalesOrders.

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?

A. Yes

B. No

Correct Answer: B

Reference: https://docs.microsoft.com/en-us/sql/t-sql/functions/count-transact-sql?view=sql-server-2017

Question 5:

HOTSPOT

You need to develop a Transact-SQL statement that meets the following requirements:

The statement must return a custom error when there are problems updating a table.

The error number must be the value 50555.

The error severity level must be 14.

A Microsoft SQL Server alert must be triggered when the error condition occurs.

Which Transact-SQL segment should you use for each requirement? To answer, select the appropriate Transact-SQL segments in the answer area.

Hot Area:

Correct Answer:

RAISERROR generates an error message and initiates error processing for the session. RAISERROR can either reference a user-defined message stored in the sys.messages catalog view or build a message dynamically. The message is

returned as a server error message to the calling application or to an associated CATCH block of a TRY…CATCH construct. New applications should use THROW instead.

Note: RAISERROR syntax:

RAISERROR( { msg_id | msg_str | @local_variable }

{ ,severity ,state }

[ ,argument [ ,…n ] ] )

[ WITH option [ ,…n ] ]

The LOG option logs the error in the error log and the application log for the instance of the Microsoft SQL Server Database Engine.

References:

https://msdn.microsoft.com/en-us/library/ms178592.aspx

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