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  Tutorial: Java JSP and Servlets Updating records in the Database using JDBC with Java Servlets Tutorial

An article on updating records in the database using JDBC with Java Servlets. Every step from establishing a Connection to executing the UPDATE query is explained in detail. Online demo available.

Tutorial Details:

Java JSP and Servlets Updating records in the Database using JDBC with Java Servlets Tutorial
This article is next in the series of articles about selecting, inserting, updating and deleting records from the database using JDBC. In this article we will learn how to update records in the database. If you have followed my earlier article about ' Inserting records in the Database 'then this article is not going to be difficult at all. 90% of the code will be same. So if you haven't read that article then I will suggest that you go through that article before starting this one as quite a few important things have been explained in detail there.

How to Update Records ?
To update records in the database we will be using the same PreparedStatement class we used before for inserting records. Although we can update records using the Statement class, the update operation is less efficient and not optimized at all. PreparedStatement fills that gap and lets us build SQL queries which are compiled and thus more efficient.


 

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