关于Cursor错误的是A．Cursor 是每行的集合B．moveToFirst() 定位第一行C．moveToNext()移动光标到下一行D．getColumnCount()返回指定列
关于Cursor错误的是
A．Cursor 是每行的集合
B．moveToFirst() 定位第一行
C．moveToNext()移动光标到下一行
D．getColumnCount()返回指定列
参考答案和解析
该语句仅仅是指明数据的查询要求，以及如果要查询的话，其结果与什么名称的游标相对应。
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