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070-762試験に関するQ&Aまとめ

Microsoft Developing SQL Databases 認定 070-762 試験問題：

問題 #1

Background
You have a database named HR1 that includes a table named Employee.
You have several read-only, historical reports that contain regularly changing totals. The reports use multiple queries to estimate payroll expenses. The queries run concurrently. Users report that the payroll estimate reports do not always run. You must monitor the database to identify issues that prevent the reports from running.
You plan to deploy the application to a database server that supports other applications. You must minimize the amount of storage that the database requires.
Employee Table
You use the following Transact-SQL statements to create, configure, and populate the Employee table:

Application
You have an application that updates the Employees table. The application calls the following stored procedures simultaneously and asynchronously:
- UspA: This stored procedure updates only the EmployeeStatus column.
- UspB: This stored procedure updates only the EmployeePayRate column.
The application uses views to control access to data. Views must meet the following requirements:
- Allow user access to all columns in the tables that the view accesses.
- Restrict updates to only the rows that the view returns.
Exhibit

You are analyzing the performance of the database environment. You discover that locks that are held for a long period of time as the reports are generated.
You need to generate the reports more quickly. The database must not use additional resources.
What should you do?

A. Update the transaction level of the report query session to READ UNCOMMITTED.
B. Modify the report queries to use the UNION statement to combine the results of two or more queries.
C. Set the READ_COMMITTED_SNAPSHOT database option to ON.
D. Update the transaction level of the report query session to READPAST.

問題 #2

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 have a database named DB1 that contains the following tables: Customer, CustomerToAccountBridge, and CustomerDetails. The three tables are part of the Sales schema. The database also contains a schema named Website. You create the Customer table by running the following Transact-SQL statement:

The value of the CustomerStatus column is equal to one for active customers. The value of the Account1Status and Account2Status columns are equal to one for active accounts. The following table displays selected columns and rows from the Customer table.

You plan to create a view named Website.Customer and a view named Sales.FemaleCustomers.
Website.Customer must meet the following requirements:
* Allow users access to the CustomerName and CustomerNumber columns for active customers.
* Allow changes to the columns that the view references. Modified data must be visible through the view.
* Prevent the view from being published as part of Microsoft SQL Server replication.
Sales.Female.Customers must meet the following requirements:
* Allow users access to the CustomerName, Address, City, State and PostalCode columns.
* Prevent changes to the columns that the view references.
* Only allow updates through the views that adhere to the view filter.
You have the following stored procedures: spDeleteCustAcctRelationship and spUpdateCustomerSummary.
The spUpdateCustomerSummary stored procedure was created by running the following Transact-SQL statement:

You run the spUpdateCustomerSummary stored procedure to make changes to customer account summaries.
Other stored procedures call the spDeleteCustAcctRelationship to delete records from the CustomerToAccountBridge table.
You need to create Sales.FemaleCustomers.
How should you complete the view definition? To answer, drag the appropriate Transact-SQL segments to the correct locations. Each Transact_SQL segment may be used once, more than once or not at all. You may need to drag the split bar between panes or scroll to view content.

問題 #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 questions 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 is 130 GB and contains 500 million rows of data.
Granular transactions and mass batch data imports change the database frequently throughout the day.
Microsoft SQL Server Reporting Services (SSRS) uses the database to generate various reports by using several filters.
You discover that some reports time out before they complete.
You need to reduce the likelihood that the reports will time out.
Solution: You change the transaction log file size to expand dynamically in increments of 200 MB.
Does this meet the goal?

A. No
B. Yes

問題 #4

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals.
You have a database that contains a table named Employees. The table stored information about the employees of your company.
You need to implement the following auditing rules for the Employees table:
- Record any changes that are made to the data in the Employees table.
- Customize the data recorded by the audit operations.
Solution: You implement a stored procedure on the Employees table.
Does the solution meet the goal?

A. No
B. Yes

問題 #5

You are developing an ETL process to cleanse and consolidate incoming data. The ETL process will use a reference table to identify which data must be cleansed in the target table. The server that hosts the tables restarts daily.
You need to minimize the amount of time it takes to execute the query and the amount of time it takes to populate the reference table.
What should you do?

A. Convert the reference table to a memory-optimized table. Set the durability option to SCHEMA_AND_DATA>
B. Convert the reference table to a memory-optimized table. Set the durability option to SCHEMA_ONLY.
C. Create a native compiled stored procedure to implement the ETL process for both tables.
D. Convert the target table to a memory-optimized table. Create a natively compiled stored procedure to cleanse and consolidate the data.

解説：