Updating a row in sql using jdbc

Copy and past the following example in JDBCExample.java, compile and run as follows − java JDBCExample Connecting to database... ID: 100, Age: 38, First: Zara, Last: Ali ID: 101, Age: 45, First: Mahnaz, Last: Fatma ID: 102, Age: 55, First: Zaid, Last: Khan ID: 103, Age: 50, First: Sumit, Last: Mittal Inserting a new record... ID: 100, Age: 38, First: Zara, Last: Ali ID: 101, Age: 45, First: Mahnaz, Last: Fatma ID: 102, Age: 55, First: Zaid, Last: Khan ID: 103, Age: 50, First: Sumit, Last: Mittal ID: 104, Age: 40, First: John, Last: Paul List the record before deleting...

To keep it simple — but also show several different data types — I've created the following My SQL database table: create table users ( id int unsigned auto_increment not null, first_name varchar(32) not null, last_name varchar(32) not null, date_created timestamp default now(), is_admin boolean, num_points int, primary key (id) ); -- insert some sample records insert into users (first_name, last_name) values ('Fred', 'Flinstone'); insert into users (first_name, last_name) values ('Barney', 'Rubble'); A few of these fields are a little contrived, but I wanted to show several different data types in one table, so this is what I came up with.ID: 100, Age: 38, First: Zara, Last: Ali ID: 102, Age: 55, First: Zaid, Last: Khan ID: 103, Age: 50, First: Sumit, Last: Mittal ID: 104, Age: 40, First: John, Last: Paul Goodbye!It's difficult to tell what is being asked here. * * Created by Alvin Alexander, */ public class Java Mysql Prepared Statement Update Example Note that this SQL UPDATE query is a little unusual, but not totally uncommon.Typically in a database program like this you'll end up updating rows based on the primary key of the database table.

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