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Saturday, 10 November 2018

JDBC Introduction

     With Core Java knowledge we can develop Stand Alone Applications. The Applications which are running on a Single Machine are called Stand Alone Applications.
Eg: Calculator, MS Word, Notepad, any Core Java Application,
     If we want to develop Web Applications then we should go for Advanced Java. The Applications which are providing Services over the Web are called Web Applications.
     In Java we can develop Web Applications by using the following Technologies.
☀ Servlets
☀ JSP's
     Where ever Presentation Logic is required i.e. to display something to the End User then we should go for JSP i.e. JSP meant for View Component.
☀ Display login page
☀ Display inbox page
☀ Display error page
☀ Display result page etc..

     Where ever some Processing Logic is required then we should go for Servlet i.e. Servlet meant for Processing Logic/ Business Logic. Servlet will always work internally.
☀ Verify User
☀ Communicate with Database
☀ Process End User's Data etc..

     From Java Application (Normal Java Class OR Servlet) if we want to communicate with Database then we should go for JDBC.
☀ To get Astrology Information from Database
☀ To get Mails Information from Database etc..

     In Java there are 3 Editions are available
1. Java Standard Edition (JSE | J2SE)
2. Java Enterprise Edition (JEE | J2EE)
3. Java Micro Edition (JME | J2ME)
JDBC is the Part of JSE and Servlets and JSP's are the Part of JEE.

Next Tutorial : JDBC in Simple Way

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