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Ado. net does not require that you keep a continuous live connection to the database and process one retrieved record at a time. additional classes are available that enable you to connect to the database long enough to retrieve records into memory.
the primary class for this activity is

a. datareader
b. connection
c. command
d. dataset

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Ado. net does not require that you keep a continuous live connection to the database and process one...
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