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2010-08-14 09:37:44
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考试代号：
认证名称：TS: Microsoft SQL Server 2008, Database Development
版本号：V8.02
考题数量：141道
更新日期：2010-7-13
1. You have a user named John. He has SELECT access to the Sales schema. You need to eliminate John's SELECT access rights from the Sales.SalesOrder table without affecting his other permissions.
Which Transact-SQL statement should you use?
A. DROP USER John;
B. DENY SELECT ON Sales.SalesOrder TO John;
C. GRANT DELETE ON Sales.SalesOrder TO John;
D. REVOKE SELECT ON Sales.SalesOrder FROM John;
Answer: B
2. You need to create a column that allows you to create a unique constraint.
Which two column definitions should you choose? (Each correct answer presents a complete solution.( Choose two.)
A. nvarchar(100) NULL
B. nvarchar(max) NOT NULL
C. nvarchar(100) NOT NULL
D. nvarchar(100) SPARSE NULL
Answer: AC
3. You manage a SQL Server 2008 database that is located at your company's corporate headquarters. The database contains a table named dbo.Sales. You need to create different views of the dbo.Sales table that will be used by each region to insert, update, and delete rows. Each regional office must only be able to insert, update, and delete rows for their respective region.
Which view should you create for Region1?
A. CREATE VIEW dbo.Region1Sales
AS
SELECT SalesID,OrderQty,SalespersonID,RegionID
FROM dbo.Sales
WHERE RegionID = 1;
B. CREATE VIEW dbo.Region1Sales
AS
SELECT SalesID,OrderQty,SalespersonID,RegionID
FROM dbo.Sales
WHERE RegionID = 1
WITH CHECK OPTION;
C. CREATE VIEW dbo.Region1Sales
WITH SCHEMABINDING
AS
SELECT SalesID,OrderQty,SalespersonID,RegionID
FROM dbo.Sales
WHERE RegionID = 1;
D. CREATE VIEW dbo.Region1Sales
WITH VIEW_METADATA
AS
SELECT SalesID,OrderQty,SalespersonID,RegionID
FROM dbo.Sales
WHERE RegionID = 1;
Answer: B
4. You administer a SQL Server 2008 database that contains a table name dbo.Sales, which contains the following table definition: CREATE TABLE [dbo].[Sales](
[SalesID] [int] IDENTITY(1,1) NOT NULL PRIMARY KEY CLUSTERED,
[OrderDate] [datetime] NOT NULL,
[CustomerID] [int] NOT NULL,
[SalesPersonID] [int] NULL,
[CommentDate] [date] NULL);
This table contains millions of orders. You run the following query to determine when sales persons comment in the dbo.Sales table:
SELECT SalesID,CustomerID,SalesPersonID,CommentDate
FROM dbo.Sales
WHERE CommentDate IS NOT NULL
AND SalesPersonID IS NOT NULL;
You discover that this query runs slow. After examining the data, you find only 1% of rows have comment dates and the SalesPersonID is null on 10% of the rows. You need to create an index to optimize the query. The index must conserve disk space while optimizing your query.
Which index should you create?
A. CREATE NONCLUSTERED INDEX idx1
ON dbo.Sales (CustomerID)
INCLUDE (CommentDate,SalesPersonID);
B. CREATE NONCLUSTERED INDEX idx1
ON dbo.Sales (SalesPersonID)
INCLUDE (CommentDate,CustomerID);
C. CREATE NONCLUSTERED INDEX idx1
ON dbo.Sales (CustomerID)
INCLUDE(CommentDate)
WHERE SalesPersonID IS NOT NULL;
D. CREATE NONCLUSTERED INDEX idx1
ON dbo.Sales (CommentDate, SalesPersonID)
INCLUDE(CustomerID)
WHERE CommentDate IS NOT NULL;
Answer: D
5. Your database is 5GB and contains a table named SalesHistory. Sales information is frequently inserted and updated. You discover that excessive page splitting is occurring.
You need to reduce the occurrence of page splitting in the SalesHistory table.
Which code segment should you use?.
A. ALTER DATABASE Sales
MODIFY FILE
(NAME = Salesdat3,
SIZE = 10GB);
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