创建一个存储过程需要返回一个客户的三个字段：CustomerName, Address, PhoneNumber下列哪种方式的性能最好?a. 用data adapter作为dataset结果来返回
b. 用command object作为dataset结果来返回
c. 用command object作为存储过程的三个out参数来返回
d. 所有的以上三种方式性能一样这是原题：
You create a stored procedure to retrieve the following details for the given customer:
CustomerName,Address,PhoneNumber
Which of the following is an ideal choice to get the best performance?A.Return the result as dataset using data adapter
B.Return the result as dataset using command object
C.Return the result as three out parameters and command object
D.All of the above
b. 用command object作为dataset结果来返回
c. 用command object作为存储过程的三个out参数来返回
d. 所有的以上三种方式性能一样这是原题：
You create a stored procedure to retrieve the following details for the given customer:
CustomerName,Address,PhoneNumber
Which of the following is an ideal choice to get the best performance?A.Return the result as dataset using data adapter
B.Return the result as dataset using command object
C.Return the result as three out parameters and command object
D.All of the above
解决方案 »
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