Microsoft 070-457

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Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:

1. You use Microsoft SQL Server 2012 to develop a database that has two tables named Div1Cust and Div2Cust. Each table has columns named DivisionID and CustomerId . None of the rows in Div1Cust exist in Div2Cust. You need to write a query that meets the following requirements:
The rows in Div1Cust must be combined with the rows in Div2Cust.
The result set must have columns named Division and Customer.
Duplicates must be retained.
Which three Transact-SQL statements should you use? (To answer, move the appropriate statements from the list of statements to the answer area and arrange them in the correct order.)
Build List and Reorder:

2. You administer a SQL 2012 server that contains a database named SalesDb. SalesDb contains a schema named Customers that has a table named Regions. A user named UserA is a member of a role named Sales. UserA is granted the Select permission on the Regions table. The Sales role is granted the Select permission on the Customers schema. You need to remove the Select permission for UserA on the Regions table. You also need to ensure that UserA can still access all the tables in the Customers schema, including the Regions table, through the Sales role permissions. Which Transact-SQL statement should you use?

A) DENY SELECT ON Object::Regions FROM UserA
B) REVOKE SELECT ON Schema::Customers FROM UserA
C) DENY SELECT ON Object::Regions FROM Sales
D) REVOKE SELECT ON Object::Regions FROM UserA
E) EXEC sp_droproiemember 'Sales', 'UserA'
F) DENY SELECT ON Schema::Customers FROM UserA
G) EXEC sp_addrolemember 'Sales', 'UserA'
H) DENY SELECT ON Schema::Customers FROM Sales
I) REVOKE SELECT ON Object::Regions FROM Sales
J) REVOKE SELECT ON Schema::Customers FROM Sales

3. You administer a Microsoft SQL Server database named Sales. The database is 3 terabytes in size. The Sales database is configured as shown in the following table.

You discover that all files except Sales_2.ndf are corrupt. You need to recover the corrupted data in the minimum amount of time. What should you do?

A) Perform a transaction log restore.
B) Perform a restore from a full backup.
C) Perform a file restore.
D) Perform a filegroup restore.

4. You use a Microsoft SQL Server 2012 database that contains two tables named SalesOrderHeader and SalesOrderDetail. The indexes on the tables are as shown in the exhibit. (Click the Exhibit button.)

You write the following Transact-SQL query:

You discover that the performance of the query is slow. Analysis of the query plan shows table scans where the estimated rows do not match the actual rows for SalesOrderHeader by using an unexpected index on SalesOrderDetail. You need to improve the performance of the query. What should you do?

A) Add a clustered index on SalesOrderId in SalesOrderHeader.
B) Use a FORCESEEK hint in the query.
C) Update statistics on SalesOrderId on both tables.
D) Use a FORCESCAN hint in the query.

5. Your database contains a table named Purchases. The table includes a DATETIME column named PurchaseTime that stores the date and time each purchase is made. There is a non-clustered index on the PurchaseTime column. The business team wants a report that displays the total number of purchases made on the current day. You need to write a query that will return the correct results in the most efficient manner. Which Transact-SQL query should you use?

A) SELECT COUNT(*) FROM Purchases WHERE PurchaseTime = CONVERT(DATE, GETDATE())
B) SELECT COUNT(*) FROM Purchases WHERE PurchaseTime = GETDATE()
C) SELECT COUNT(*) FROM Purchases WHERE PurchaseTime >= CONVERT(DATE, GETDATE())
AND PurchaseTime < DATEADD(DAY, 1, CONVERT(DATE, GETDATE()))
D) SELECT COUNT(*) FROM Purchases WHERE CONVERT(VARCHAR, PurchaseTime, 112) = CONVERT(VARCHAR, GETDATE(), 112)

Solutions: