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Microsoft UPGRADE:MCDBA Skills to MCITP DB Admin by Using MS SQL 2005 Sample Questions:

1. You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions, monitoring the database server, and design deployment. In the company, you major job is the deployment, maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for your company. A SQL Server 2005 application is utilized by the company. A query is executed by the application to return three columns of the nvarchar data type and one column of the XML data type. A WHERE clause is utilized by the query, and all three of the nvarchar columns are contained by the WHERE clause. 5 million rows are included by the table, and 50,000 rows are returned by the query. The performance of the query should be enhanced. Which action should be performed to achieve the goal?

A) Statistics should be created on the nvarchar columns.
B) A view should be created, and only the four columns that the query utilizes are contained by a view.
C) A composite index should be created on the three nvarchar columns, and INCLUDE should be specified for the XML column.
D) A primary XML index should be created on the XML column.

2. You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions, monitoring the database server, and design deployment. In the company, you major job is the deployment, maintenance and support of Microsoft SQL Server 2005. You work as the database administrator for your company. A database named DB1 is used by the company. The SQL statements used to create the Sales table in DB1, an existing index, and the two most common queries executed against this table are shown in the exhibit. The existing indexes have just been rebuilt. The VideoID and VideoTitle fields are highly selective. The RetailPrice, WholesalePrice and Genre fields have low selectivity. Since you are the technical support, the company asks you to optimize the performance of both queries. The company also requires that you must reduce the size of the index to the least when trying to achieve this goal. What action should you perform to accomplish your task?

A) On the Barcode and VideoID fields, a nonclustered index should be created. The WholesalePrice and Genre fields should be included.
B) On the VideoTitle and RetailPrice columns, a clustered index should be created.
C) On the VideoTitle field, drop the clustered index. On the VideoTitle field, a nonclustered index should be created.
D) You should use the REORGANIZE option to change the existing nonclustered index.
E) On the VideoTitle, Barcode, VideoID, WholesalePrice, and Genre fields, a nonclustered index should be created.

3. DRAG DROP
According to the company requirement, the backup schedule should be designed for the customer database.
Which action should be performed to achieve the goal? (Drag the proper backup type to the right location in the answer area.)

4. You work as the database administrator for your company. A SQL Server 2005 database is utilized to have online sales tracked. It is reported by employees who run the In-Stock that they are experiencing slow performance. After detailed analysis, you find that the contention between the In-Stock report and high volume of data entry to the tables that are accessed in this report causes the performance problem. The company intends to have the In-Stock report returned instantly even though the data might be changed by other employees within their data-entry transactions. The employees who are running the In-Stock report should be able to see any changes which are made in other transactions when the report is running.
Since you are the database administrator, you are required to implement a solution to accomplish this task. Which action should be performed?

A) The transaction isolation level should be modified for the report transaction to snapshot.
B) The database should be set to enable the Read Committed snapshot option.
C) The transaction isolation level should be modified for the report transaction to serializable.
D) The transaction isolation level should be modified for the report transaction to Read Uncommitted.

5. You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions, monitoring the database server, and design deployment. In the company, you major job is the deployment, maintenance and support of Microsoft SQL Server 2005. You work as the database administrator for your company. You receive report from users saying that some reports are performing poorly. You are sure that your tables have the appropriate indexes and that your queries should be performing optimally. After a SHOWPLAN statement is executed on the poorly performing reports, you find that incorrect indexes are being used in some cases. You want the SQL Server 2005 query optimizer to select the correct indexes automatically. So what action should be performed?

A) All poorly performing queries should be rewritten so that they use query hints.
B) The indexes should be rebuilt and the server should be restarted.
C) A maintenance plan should be created. An Update Statistics task should be included in this plan.
D) A maintenance plan should be created. A Check Database Integrity task should be included in this plan.

Solutions: