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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 create a table named Products by running the following Transact-SQL statement:

You have the following stored procedure:

You need to modify the stored procedure to meet the following new requirements:

Insert product records as a single unit of work.

Return error number 51000 when a product fails to insert into the database.

If a product record insert operation fails, the product information must not be permanently written to the database.

Solution: You run the following Transact-SQL statement:

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: A

If the INSERT INTO statement raises an error, the statement will be caught and an error 51000 will be thrown. In this case no records will have been inserted.

Note:

You can implement error handling for the INSERT statement by specifying the statement in a TRY…CATCH construct.

If an INSERT statement violates a constraint or rule, or if it has a value incompatible with the data type of the column, the statement fails and an error message is returned.

References: https://msdn.microsoft.com/en-us/library/ms174335.aspx


Question 2:

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 create a table by running the following Transact-SQL statement:

You need to develop a query that meets the following requirements:

Output data by using a tree-like structure.

Allow mixed content types.

Use custom metadata attributes.

Which Transact-SQL statement should you run?

A. B. C. D. E. F. G. H.

Correct Answer: F

In a FOR XML clause, you specify one of these modes: RAW, AUTO, EXPLICIT, and PATH.

The EXPLICIT mode allows more control over the shape of the XML. You can mix attributes and elements at will in deciding the shape of the XML. It requires a specific format for the resulting rowset that is generated because of query execution. This row set format is then mapped into XML shape. The power of EXPLICIT mode is to mix attributes and elements at will, create wrappers and nested complex properties, create space-separated values (for example, OrderID attribute may have a list of order ID values), and mixed contents.

The PATH mode together with the nested FOR XML query capability provides the flexibility of the EXPLICIT mode in a simpler manner.

References: https://msdn.microsoft.com/en-us/library/ms178107.aspx


Question 3:

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 table that was created by running the following Transact-SQL statement:

The Products table includes the data shown in the following table:

TotalUnitPrice is calculated by using the following formula:

TotalUnitPrice = UnitPrice * (UnitsInStock UnitsOnOrder)

You need to ensure that the value returned for TotalUnitPrice for ProductB is equal to 600.00.

Solution: You run the following Transact-SQL statement:

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: A

COALESCE evaluates the arguments in order and returns the current value of the first expression that initially does not evaluate to NULL. References: https://docs.microsoft.com/en-us/sql/t-sql/language-elements/coalesce-transact-sql


Question 4:

HOTSPOT

You have the following subqueries: Subquery1, Subquery2, and Subquery3.

You need to replace the three subqueries with named result sets or temporary tables. The following requirements must be met:

Which replacement techniques should you use? To answer, select the appropriate options in the answer area.

Hot Area:

Correct Answer:

Subquery1: common table expression (CTE)

A common table expression (CTE) can be thought of as a temporary result set that is defined within the execution scope of a single SELECT, INSERT, UPDATE, DELETE, or CREATE VIEW statement. A CTE is similar to a derived table in

that it is not stored as an object and lasts only for the duration of the query. Unlike a derived table, a CTE can be self-referencing and can be referenced multiple times in the same query.

Subquery2: global temporary table

Global temporary tables are visible to any user and any connection after they are created, and are deleted when all users that are referencing the table disconnect from the instance of SQL Server.

Subquery3: local temporary table

Local temporary tables are visible only to their creators during the same connection to an instance of SQL Server as when the tables were first created or referenced. Local temporary tables are deleted after the user disconnects from the

instance of SQL Server.

References:

https://technet.microsoft.com/en-us/library/ms190766(v=sql.105).aspx

https://technet.microsoft.com/en-us/library/ms186986.aspx


Question 5:

SIMULATION

You create a table named Sales.Orders by running the following Transact-SQL statement:

You need to write a query that removes orders from the table that have a Status of Canceled.

Construct the query using the following guidelines:

use one-part column names and two-part table names

use single quotes around literal values

do not use functions

do not surround object names with square brackets

do not use variables

do not use aliases for column names and table names

Part of the correct Transact-SQL has been provided in the answer area below. Enter the code in the answer area that resolves the problem and meets the stated goals or requirements. You can add code within the code that has been provided as well as below it.

Use the Check Syntax button to verify your work. Any syntax or spelling errors will be reported by line and character position.

Correct Answer: explanation

Please see explanation

1. DELETE from sales.orders where status=\’Canceled\’

Note: On line 1 change calceled to Canceled

Example: Using the WHERE clause to delete a set of rows

The following example deletes all rows from the ProductCostHistory table in the AdventureWorks2012 database in which the value in the StandardCost column is more than 1000.00.

DELETE FROM Production.ProductCostHistory

WHERE StandardCost > 1000.00;

References: https://docs.microsoft.com/en-us/sql/t-sql/statements/delete-transact-sql


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