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

1. You use a Microsoft SQL Server 2012 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?

A) CREATE TABLE DocumentStore
(
[Id] [uniqueidentifier] ROWGUIDCOL NOT NULL UNIQUE,
[Document] VARBINARY(MAX) FILESTREAM NULL
)
GO
B) CREATE TABLE DocumentStore
(
[Id] INT NOT NULL PRIMARY KEY,
[Document] VARBINARY(MAX) NULL
)
GO
C) CREATE TABLE DocumentStore AS FileTable
D) CREATE TABLE DocumentStore
(
[Id] hierarchyid,
[Document] NVARCHAR NOT NULL
)
GO

2. You are developing a database application by using Microsoft SQL Server 2012. An application that uses a database begins to run slowly. You discover that a large amount of memory is consumed by single-use dynamic queries. You need to reduce procedure cache usage from these statements without creating any additional indexes. What should you do?

A) Include a SET STATISTICS PROFILE ON statement before you run the query.
B) Enable the optimize for ad hoc workloads option.
C) Add a HASH hint to the query.
D) Include a SET TRANSACTION ISOLATION LEVEL REPEATABLE READ statement before you run the query.
E) Include a SET FORCEPLAN ON statement before you run the query.
F) Add a FORCESCAN hint to the Attach query.
G) Include a SET STATISTICS SHOWPLAN_XML ON statement before you run the query.
H) Add an INCLUDE clause to the index.
I) Include a SET TRANSACTION ISOLATION LEVEL SNAPSHOT statement before you run the query.
J) Add a LOOP hint to the query.
K) Add a columnstore index to cover the query.
L) Cover the unique clustered index with a columnstore index.
M) Add a FORCESEEK hint to the query.
N) Include a SET TRANSACTION ISOLATION LEVEL SERIALIZABLE statement before you run the query.

3. You use Microsoft SQL Server 2012 database to develop a shopping cart application. You need to rotate the unique values of the ProductName field of a table-valued expression into multiple columns in the output. Which Transact-SQL operator should you use?

A) CROSS JOIN
B) PIVOT
C) UNPIVOT
D) CROSS APPLY

4. 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?

A) ALTER TABLE Inventory ADD TotalItems AS SUM(ItemsInStore, ItemsInWarehouse) PERSISTED
B) ALTER TABLE Inventory ADD TotalItems AS ItemsInStore + ItemsInWarehouse PERSISTED
C) ALTER TABLE Inventory ADD TotalItems AS ItemslnStore + ItemsInWarehouse
D) ALTER TABLE Inventory ADD TotalItems AS SUM(ItemsInStore, ItemsInWarehouse)

5. You administer a Microsoft SQL Server 2012 database. The database contains a table named Employee. Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)

Confidential information about the employees is stored in a separate table named EmployeeData. One record exists within EmployeeData for each record in the Employee table. You need to assign the appropriate constraints and table properties to ensure data integrity and visibility. On which column in the Employee table should you a create a unique constraint?