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Exam 70-483 topic 2 question 42 discussion

Actual exam question from Microsoft's 70-483
Question #: 42
Topic #: 2
[All 70-483 Questions]

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?

  • A. DbDataReader
  • B. DataContext
  • C. unTyped DataSet
  • D. DbDataAdapter
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Suggested Answer: A 🗳️
DbDataReader Class -
Reads a forward-only stream of rows from a data source.
by AyeshaKhalid at Jan. 12, 2021, 10:38 p.m.

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AyeshaKhalid
4 years, 5 months ago
A: Correct Answer
upvoted 3 times
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