Microsoft 70-461 - MCSA Querying Microsoft SQL Server 2012/2014 Exam
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Total 265 questions
Question #11 (Topic: Single Topic)
Your database contains two tables named DomesticSalesOrders and InternationalSalesOrders. Both tables contain more than 100 million rows. Each table has a
Primary Key column named SalesOrderId. The data in the two tables is distinct from one another.
Business users want a report that includes aggregate information about the total number of global sales and total sales amounts.
You need to ensure that your query executes in the minimum possible time.
Which query should you use?
Primary Key column named SalesOrderId. The data in the two tables is distinct from one another.
Business users want a report that includes aggregate information about the total number of global sales and total sales amounts.
You need to ensure that your query executes in the minimum possible time.
Which query should you use?
A. SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM ( SELECT SalesOrderId, SalesAmount FROM DomesticSalesOrders UNION ALL SELECT SalesOrderId, SalesAmount FROM InternationalSalesOrders ) AS p
B. SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM ( SELECT SalesOrderId, SalesAmount FROM DomesticSalesOrders UNION SELECT SalesOrderId, SalesAmount FROM InternationalSalesOrders ) AS p
C. SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM DomesticSalesOrders UNION SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM InternationalSalesOrders
D. SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM DomesticSalesOrders UNION ALL SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM InternationalSalesOrders
Answer: A
Question #12 (Topic: Single Topic)
You are a database developer at an independent software vendor. You create stored procedures that contain proprietary code.
You need to protect the code from being viewed by your customers.
Which stored procedure option should you use?
You need to protect the code from being viewed by your customers.
Which stored procedure option should you use?
A. ENCRYPTBYKEY
B. ENCRYPTION
C. ENCRYPTBYPASSPHRASE
D. ENCRYPTBYCERT
Answer: B
Question #13 (Topic: Single Topic)
You use a Microsoft SQL Server database.
You want to create a table to store Microsoft Word documents.
You need to ensure that the documents must only be accessible via Transact-SQL queries.
Which Transact-SQL statement should you use?
You want to create a table to store Microsoft Word documents.
You need to ensure that the documents must only be accessible via Transact-SQL queries.
Which Transact-SQL statement should you use?
A. CREATE TABLE DocumentStore ( [Id] INT NOT NULL PRIMARY KEY, [Document] VARBINARY(MAX) NULL ) GO
B. CREATE TABLE DocumentStore ( [Id] hierarchyid, [Document] NVARCHAR NOT NULL ) GO
C. CREATE TABLE DocumentStore AS FileTable
D. CREATE TABLE DocumentStore ( [Id] [uniqueidentifier] ROWGUIDCOL NOT NULL UNIQUE, [Document] VARBINARY(MAX) FILESTREAM NULL ) GO
Answer: A
Question #14 (Topic: Single Topic)
You administer a Microsoft SQL Server database that contains a table named OrderDetail. You discover that the NCI_OrderDetail_CustomerID non-clustered
index is fragmented. You need to reduce fragmentation.
You need to achieve this goal without taking the index offline. Which Transact-SQL batch should you use?
index is fragmented. You need to reduce fragmentation.
You need to achieve this goal without taking the index offline. Which Transact-SQL batch should you use?
A. CREATE INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID WITH DROP EXISTING
B. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REORGANIZE
C. ALTER INDEX ALL ON OrderDetail REBUILD
D. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REBUILD
Answer: B
Question #15 (Topic: Single Topic)
You develop a Microsoft SQL Server database. The database is used by two web applications that access a table named Products.
You want to create an object that will prevent the applications from accessing the table directly while still providing access to the required data.
You need to ensure that the following requirements are met:
✑ Future modifications to the table definition will not affect the applications' ability to access data.
✑ The new object can accommodate data retrieval and data modification.
You need to achieve this goal by using the minimum amount of changes to the existing applications.
What should you create for each application?
You want to create an object that will prevent the applications from accessing the table directly while still providing access to the required data.
You need to ensure that the following requirements are met:
✑ Future modifications to the table definition will not affect the applications' ability to access data.
✑ The new object can accommodate data retrieval and data modification.
You need to achieve this goal by using the minimum amount of changes to the existing applications.
What should you create for each application?
A. views
B. table partitions
C. table-valued functions
D. stored procedures
Answer: A
