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Gideon123 Gideon123
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Posts: 524
Rep: 12 0
4 years ago
Analyze the following code:

ResultSet resultSet = statement.executeQuery
​("select firstName, mi, lastName from Student where lastName "
​+ " = 'Smith'");
System.out.println(resultSet.getString(1));


▸ If the SQL SELECT statement returns no result, resultSet is null.

▸ resultSet.getString(1) returns the firstName field in the result set.

▸ resultSet.getString(1) returns the mi field in the result set.

▸ The program will have a runtime error, because the cursor in resultSet does not point to a row. You must use resultSet.next() to move the cursor to the first row in the result set. Subsequently, resultSet.next() moves the cursor to the next row in the result set.
Textbook 
Introduction to Java Programming, Comprehensive Version

Introduction to Java Programming, Comprehensive Version


Edition: 10th
Author:
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kiyomikakiyomika
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#1
Posts: 410
Rep: 54 0
4 years ago
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Gideon123 Author
wrote...

4 years ago
Good timing, thanks!
bkrandy
wrote...

Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
Tabitha.davis
wrote...

2 hours ago
this is exactly what I needed
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