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在ADO.NET中，DataAdpter对象使用下列哪个Command属性从数据源中删除记录？（）
- A、Insert Command
- B、Update Command
- C、Select Command
- D、Delete Command
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单选题在ADO.NET中，DataAdpter对象使用下列哪个Command属性从数据源中删除记录？（）A
Insert CommandB
Update CommandC
Select CommandD
Delete Command
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单选题在ADO.NET中，使用DataAdapter将数据源填充到DataSet，应使用下列哪个方法？（）A
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单选题You previously secured your listener with an encrypted password. However， you need to set a new password for security reasons. What is the correct method for setting a new encrypted password for the listener using the Listener Control utility？（）A
executing the SET PASSWORD command and then the SAVE_CONFIG commandB
executing the CHANGE_PASSWORD command and then the SAVE_CONFIG commandC
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executing the SET PASSWORD command， then the CHANGE_PASSWORD command and finally， the SAVE_CONFIG command
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单选题在ADO.NET中，为了确保DataAdapter对象能够正确地将数据从数据源填充到DataSet中，则必须事先设置好DataAdpter对象的下列哪个Command属性？（）A
Insert CommandB
Update CommandC
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Delete Command
考题
单选题The command echo $! will produce what output？（）A
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单选题在ADO.NET中，用来与数据源建立连接的对象是（）A
Connection对象B
Command对象C
DataAdapter对象D
DataSet对象
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