70-457 Microsoft

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Sample Questions

Free 70-457 Sample Question 1

You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit. (Click the Exhibit button.)

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/09/13.png

You need to display rows from the Orders table for the Customers row having the CustomerId value set to 1 in the following XML format.

<row OrderId= "1" orderDate="2000-01-01T00:00:00", Amount="3400.00" Name="Customer A" Country="Australia" /> <row OrderId="2" OrderDate="2001-01-01T00:00:00" Amount="4300.00" Name="Customer A" Country-"Australia" />

Which Transact-SQL query should you use?

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Free 70-457 Sample Question 2

You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit. (Click the Exhibit button.)

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/10/45.png

You need to display rows from the Orders table for the Customers row having the CustomerIdvalue set to 1 in the following XML format.

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/10/46.png

Which Transact-SQL query should you use?

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Free 70-457 Sample Question 3

You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit. (Click the Exhibit button.)

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/10/61.png

You need to display rows from the Orders table for the Customers row having the CustomerId value set to 1 in the following XML format

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/10/62.png

Which Transact-SQL query should you use?
Which Transact-SQL query should you use?

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Free 70-457 Sample Question 4

You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit. (Click the Exhibit button.)

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/11/133.png

You need to display rows from the Orders table for the Customers row having the CustomerId value set to 1 in the following XML format.

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/11/134.png

Which Transact-SQL query should you use?

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Free 70-457 Sample Question 5

You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects.
You need to ensure that the top half of the students arranged by their average marks must be given a rank of 1 and the remaining students must be given a rank of 2.
Which Transact-SQL query should you use?

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Free 70-457 Sample Question 6

You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects. You need to ensure that the following requirements are met: Students must be ranked based on their average marks. If one or more students have the same average, the same rank must be given to these students. Consecutive ranks must be skipped when the same rank is assigned.
Which Transact-SQL query should you use?

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Free 70-457 Sample Question 7

You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects.
You need to retrieve the students who scored the highest marks for each subject along with the marks.
Which Transact-SQL query should you use?

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Free 70-457 Sample Question 8

You develop a Microsoft SQL Server 2012 server database that supports an application. The application contains a table that has the following definition:
CREATE TABLE Inventory (
ItemID int NOT NULL PRIMARY KEY,
ItemsInStore int NOT NULL,
ItemsInWarehouse int NOT NULL)
You need to create a computed column that returns the sum total of the ItemsInStore and ItemsInWarehouse values for each row.
The new column is expected to be queried heavily, and you need to be able to index the column. Which Transact-SQL statement should you use?

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Free 70-457 Sample Question 9

You develop a Microsoft SQL Server 2012 database that contains a table named Customers. The Customers table has the following definition:

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/11/135.png

You need to create an audit record only when either the MobileNumber or HomeNumber column is updated.
Which Transact-SQL query should you use?

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Free 70-457 Sample Question 10

You develop a Microsoft SQL Server 2012 database that has two tables named SavingAccounts and LoanAccounts. Both tables have a column named AccountNumber of the nvarchar data type.
You use a third table named Transactions that has columns named TransactionId AccountNumber, Amount, and TransactionDate.
You need to ensure that when multiple records are inserted in the Transactions table, only the records that have a valid AccountNumber in the SavingAccounts or LoanAccounts are inserted.
Which Transact-SQL statement should you use?

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Free 70-457 Sample Question 11

You develop a Microsoft SQL Server 2012 database.
You create a view that performs the following tasks:
Joins 8 tables that contain up to 500,000 records each.
Performs aggregations on 5 fields.
The view is frequently used in several reports. You need to improve the performance of the reports
What should you do?

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Free 70-457 Sample Question 12

You are a database developer of a Microsoft SQL Server 2012 database. The database contains a table named Customers that has the following definition:

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/12/285.png

You need to ensure that the CustomerId column in the Orders table contains only values that exist in the CustomerId column of the Customer table.
hich Transact-SQL statement should you use?

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Free 70-457 Sample Question 13

You have three tables that contain data for dentists, psychiatrists, and physicians. You create a view that is used to look up their email addresses and phone numbers.
The view has the following definition:

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/12/310.png

You need to ensure that users can update only the phone numbers and email addresses by using this view.
What should you do?

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Free 70-457 Sample Question 14

You develop a Microsoft SQL Server 2012 database. You create a view from the Orders and OrderDetails
tables by using the following definition.

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/12/350.png

You need to ensure that users are able to modify data by using the view.
What should you do?

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Free 70-457 Sample Question 15

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

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/12/387.png

You deploy a new server that has SQL Server 2012 installed. You need to create a table named Sales.OrderDetails on the new server. Sales.OrderDetails must meet the following requirements:
Write the results to a disk.
Contain a new column named LineItemTotal that stores the product of ListPrice and Quantity for each row.
The code must NOT use any object delimiters.
The solution must ensure that LineItemTotal is stored as the last column in the table.
Which code segment should you use?
To answer, type the correct code in the answer area.

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Free 70-457 Sample Question 16

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

https://www.dumps4download.us/online-quiz/wp-content/uploads/2016/01/419.png

You need to create a view named uv_CustomerFullName to meet the following requirements:
*The code must NOT include object delimiters.
*The view must be created in the Sales schema.
*Columns must only be referenced by using one-part names. *The view must return the first name and the last name of all customers. *The view must prevent the underlying structure of the customer table from being changed. *The view must be able to resolve all referenced objects, regardless of the user's default schema.
Which code segment should you use?
To answer, type the correct code in the answer area.

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Free 70-457 Sample Question 17

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

https://dumps4download.us/exam/wp-content/uploads/2016/01/453.png

You need to create a query that calculates the total sales of each OrderId from the Sales.Details table.
The solution must meet the following requirements:
*Use one-part names to reference columns.
*Start the order of the results from OrderId.
*NOT depend on the default schema of a user.
*Use an alias of TotalSales for the calculated ExtendedAmount. *Display only the OrderId column and thecalculated TotalSales column.
Which code segment should you use?
To answer, type the correct code in the answer area.

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Free 70-457 Sample Question 18

You have a database that contains the tables as shown in the exhibit. (Click the Exhibit button.)

https://dumps4download.us/exam/wp-content/uploads/2016/01/569.png

You have the following query:

https://dumps4download.us/exam/wp-content/uploads/2016/01/570.png

You need to recreate the query to meet the following requirements:
Reference columns by using one-part names only.
Sort aggregates by SalesTerritoryID, and then by ProductID. Order the results in descending order from SalesTerritoryID to ProductID. The solution must use the existing SELECT clause and FROM clause.
Which code segment should you use?
To answer, type the correct code in the answer area.

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Free 70-457 Sample Question 19

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

https://dumps4download.us/exam/wp-content/uploads/2016/02/587.png

You need to create a query for a report. The query must meet the following requirements:
*NOT use object delimiters.
*Return the most recent orders first.
*Use the first initial of the table as an alias.
*Return the most recent order date for each customer.
*Retrieve the last name of the person who placed the order. *Return the order date in a column named
MostRecentOrderDate that appears as the last column in the report.
The solution must support the ANSI SQL-99 standard.
Which code segment should you use?
To answer, type the correct code in the answer area.

 

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Free 70-457 Sample Question 20

You have an XML schema collection named Sales.InvoiceSchema.
You need to declare a variable of the XML type named XML1. The solution must ensure that XML1 is
validated by using Sales.InvoiceSchema.
Which code segment should you use?
To answer, type the correct code in the answer area.

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Free 70-457 Sample Question 21

You have a database that contains the tables as shown in the exhibit. (Click the Exhibit button.)

https://dumps4download.us/exam/wp-content/uploads/2016/02/657.png

You need to create a query that returns a list of products from Sales.ProductCatalog. The solution must meet the following requirements:
*UnitPrice must be returned in descending order.
*The query must use two-part names to reference the table. *The query must use the RANK function to calculate the results. *The query must return the ranking of rows in a column named PriceRank. *The list must display the columns in the order that they are defined in the table. PriceRank must appear last.
Which code segment should you use?
To answer, type the correct code in the answer area.

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Free 70-457 Sample Question 22

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

https://dumps4download.us/exam/wp-content/uploads/2016/03/684.png

You have a stored procedure named Procedure1. Procedure1 retrieves all order ids after a specific date.
The rows for Procedure1 are not sorted.
Procedure1 has a single parameter named Parameter1. Parameter1 uses the varchar type and is configured to pass the specific date to Procedure1.
A database administrator discovers that OrderDate is not being compared correctly to Parameter1 after the data type of the column is changed to datetime.
You need to update the SELECT statement to meet the following requirements:
*The code must NOT use aliases.
*The code must NOT use object delimiters.
*The objects called in Procedure1 must be able to be resolved by all users. *OrderDate must be compared to Parameter1 after the data type of Parameter1 is changed to datetime.
Which SELECT statement should you use?
To answer, type the correct code in the answer area.

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Free 70-457 Sample Question 23

You use Microsoft SQL Server 2012 database to develop a shopping cart application.
You need to invoke a table-valued function for each row returned by a query.
Which Transact-SQL operator should you use?

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Free 70-457 Sample Question 24

You support a database structure shown in the exhibit. (Click the Exhibit button.)

https://www.dumps4download.us/exam/wp-content/uploads/2016/04/39.png

You need to write a query that displays the following details:
Total sales made by sales people, year, city, and country Sub totals only at the city level and country level A grand total of the sales amount
Which Transact-SQL query should you use?

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