單項(xiàng)選擇題

You are responsible for maintaining a SQL Server 2005 database. Business analysts in the company routinely use a view named v CustomerSales to join the Customers and Sales tables in the database. They use the view to aggregate total sales by customer by month. You need to increase the performance of the view.
What should you do？（）

A.Update the view to use an outer join between the Customers and Sales tables.
B.Create a clustered index on the v CustomerSales view.
C.Create two separate views that do not contain any joinsone view named Customers for the Customers table and another one named v Sales for the Sales table.
D.Create a stored procedure for the business analysts that uses the v CustomerSales view.

你可能感興趣的試題

單項(xiàng)選擇題

You discover that the schema changes that were recently made to your SQL Server 2005 database have caused your Web site to stop functioning. It is unclear who made the changes. TestKing.com now mandates that all changes to the database schema be tracked. You need to implement a mechanism that will track schema changes in your database.
What should you do？（）

A.Implement a stored procedure that writes data about schema changes to a log table.
B.Implement DDL AFTER triggers that write user and schema information to a log table.
C.Implement a DML INSTEAD OF trigger that writes data about schema changes to a log table.
D.Implement a DML AFTER trigger that writes data about schema changes to a log table.

單項(xiàng)選擇題

You are responsible for managing a SQL Server 2005 database that stores sales information. Many values in nchar columns in the database tables contain preceding or trailing spaces. You need to implement a mechanism that selects the data from the tables without leading and trailing spaces. Your solution must be available for reuse in Transact-SQL statements and views.
What should you do？（）

A.Create DML triggers that query the inserted and deleted tables.
B.Create a stored procedure that calls the LTRIM and RTRIM built-in functions.
C.Create a Transact-SQL function that calls the LTRIM and RTRIM built-in functions.
D.Call the TRIM built-in function.

无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

你可能感興趣的試題