单项选择题
You are planning to import customer data from the Customer table and the Country table in your SQL Server 2000 database into a SQL Server 2005 database. You want to ensure that during the import process，each value in the CountryCode column of the Customer table has a corresponding record in the CountryCode column in the Country table of the SQL Server 2005 database. You define a foreign key between these two tables. Thus，referential integrity will guarantee that the import routine fails if there are any records where a CountryCode value does not exist in the Country table but does exist in the Customer table. You need to ensure that the import process does not fail if records are encountered that do not exist in the Country table.
What should you do？（）
A.Drop the foreign key. Import the data by using the script. Re-create the foreign key.
B.Create a CHECK constraint.
C.Create a DML INSTEAD OF trigger that writes the failed records to a file or table.
D.Create a DML AFTER trigger that writes the failed records to a file or table.
相关考题
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单项选择题
You work with a SQL Server 2005 database that provides banking information for customers. You want customers to see banking reports that combine data that is retrieved from the database with real-time investment information that comes from a Web service provided by a third party. The investment information must be current when the reports are executed. You need to create the appropriate objects that support the reports. What should you do？（）
A.Publish the data in the database as an XML Web service by using the FOR XML AUTO clause.
B.Create a table to store the banking information for each customer. Create a trigger that fires when data is inserted into the table that joins with the data coming from the Web service.
C.Create a Transact-SQL stored procedure that uses a temporary table to store the banking information for each customer. Update the table with the values from the Web service.
D.Have a developer in TestKing.com create an assembly that calls the remote Web service.Create a CLR function by using the assembly. Call the CLR function and combine the results with banking information in the database. -
多项选择题
TestKing.com has a SQL Server 2005 computer. You have been assigned the task of retrieving information about a user who is currently logged in. You need to create a function that returns scalar information about the activity time for a particular user. What are two possible ways to achieve this goal？（）
A.Create a function that returns a list of values that represent the login times for the given user.
B.Create a function that returns a list of values that represent the people who have logged more hours than the current user has logged.
C.Create a function that returns a numeric value that represents the number of hours that a user has logged for the current day.
D.Create a function that returns a numeric value that represents the number of hours that a user has logged for the current month. -
单项选择题
You are responsible for managing the database schema for an order entry application in a SQL Server 2005 database. After a design review， a member of the development staff asks you to add a new column named CommissionRate to the Product table. Because the actual commission rates for all products are not known at this time， each product has a default commission rate of 12 percent. The rate can be modified as necessary. You add the new column. You need to configure the table to assign the default value as efficiently as possible. What should you do？（）
A.Create an INSERT trigger to assign the default value to each item in the table.
B.Create a CHECK constraint to validate the data and to assign the default value to each item in the table.
C.Create an UPDATE trigger to update the default value for each new item in the table.
D.Create a DEFAULT constraint to assign the default value specifying the WITH VALUES argument.
