假设创建的PreparedStatement对象如下所示:PreparedStatement preparedStatement = conn.prepareStatement ("insert into Student (firstName, mi, lastName values (?, ?, ?)");要将”John”设置为第一个参数,可以使用________。 A: preparedStatement.setString(0,"John"); B: preparedStatement.setString(1,"John"); C: preparedStatement.setString(0,'John'); D: preparedStatement.setString(1,'John');

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2022-06-04

假设创建的PreparedStatement对象如下所示:PreparedStatement preparedStatement = conn.prepareStatement ("insert into Student (firstName, mi, lastName values (?, ?, ?)");要将”John”设置为第一个参数,可以使用________。 A: preparedStatement.setString(0,"John"); B: preparedStatement.setString(1,"John"); C: preparedStatement.setString(0,'John'); D: preparedStatement.setString(1,'John');

假设创建的PreparedStatement对象如下所示:PreparedStatement preparedStatement = conn.prepareStatement ("insert into Student (firstName, mi, lastName values (?, ?, ?)");要将”John”设置为第一个参数,可以使用________。
A: preparedStatement.setString(0,"John");
B: preparedStatement.setString(1,"John");
C: preparedStatement.setString(0,'John');
D: preparedStatement.setString(1,'John');

答案：

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