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Microsoft 70-457 Exam Syllabus Topics:

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] 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

2. You develop a database for a travel application. You need to design tables and other database objects. You create a stored procedure. You need to supply the stored procedure with multiple event names and their dates as parameters. What should you do?

A) Use the CAST function.
B) Use the DATETIME data type.
C) Use an appropriate collation.
D) Use the VARBINARY data type.
E) Use the TODATETIMEOFFSET function.
F) Use a user-defined table type.
G) Use the DATETIME2 data type.
H) Use the FORMAT function.
I) Use the DATE data type.
J) Use the DATETIMEOFFSET data type.

3. You are developing a database application by using Microsoft SQL Server 2012. An application that uses a database begins to run slowly. Your investigation shows the root cause is a query against a read-only table that has a clustered index. The query returns the following six columns: * One column in its WHERE clause contained in a non-clustered index * Four additional columns * One COUNT (*) column based on a grouping of the four additional columns.
You need to optimize the statement. What should you do?

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

4. You administer a database that includes a table named Customers that contains more than 750 rows. You create a new column named PartitionNumber of the int type in the table. You need to assign a PartitionNumber for each record in the Customers table. You also need to ensure that the PartitionNumber satisfies the following conditions:
Always starts with 1.
Starts again from 1 after it reaches 100. Which Transact-SQL statement should you use?

A) CREATE SEQUENCE CustomerSequence AS int START WITH 0 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence
B) CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 0 MAXVALUE 100 CYCLE UPTATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence
C) CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 CYCLE UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence
DROP SEQUENCE CustomerSequence
D) CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence + 1 DROP SEQUENCE CustomerSequence

5. You administer a Microsoft SQL Server 2012. A process that normally runs in less than 10 seconds has been running for more than an hour. You examine the application log and discover that the process is using session ID 60. You need to find out whether the process is being blocked. Which Transact-SQL statement should you use?

A) EXEC sp_helpdb 60
B) DBCC OPENTRAN
C) SELECT * FROM sys.dm_exec_requests WHERE session_id = 60
D) SELECT * FROM sys.dm_exec_sessions WHERE session_id = 60

Solutions: