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답변 3
a. In a database, the field is the smallest source of input for users to enter data.
A database record is a row of data in a database table consisting of a single value from each column of data in the table.
b. select language from countries where continent ="Asia";
A database record is a row of data in a database table consisting of a single value from each column of data in the table.
b. select language from countries where continent ="Asia";
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