Câu 60: 70-483: MCSD Programming in C
You need to write a method that retrieves data from a Microsoft Access 2013 database. The method must meet the following requirements: ✑ Be read-only. ✑ Be able to use the data before the entire data set is retrieved. ✑ Minimize the amount of system overhead and the amount of memory usage. Which type of object should…
Nội dung câu hỏi
You need to write a method that retrieves data from a Microsoft Access 2013 database. The method must meet the following requirements: ✑ Be read-only. ✑ Be able to use the data before the entire data set is retrieved. ✑ Minimize the amount of system overhead and the amount of memory usage. Which type of object should you use in the method?
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. SqlDataAdapter
- B. DataContext
- C. DbDataAdapter
- D. OleDbDataReader — đáp án hiện tại
Cộng đồng
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