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This tutorial covers a new framework named Remote Database Connector (RDC). The purpose of RDC is to make it simple to develop Android applications that interact with remote database servers.
There are two components in this framework: a lightweight Java web server (the middleware) and a B4A class named DBRequestManager that interacts with this web server.
The Java web server can connect to any database platform that provides a JDBC driver.
This includes: MySQL, SQL Server, Oracle, Sybase, DB2, postgreSQL, Firebird and many others.
You can also use the web server without a database server by connecting to a local SQLite database file.
The Java web-server is a simple server that connects to the database server and to the Android clients.
As this is a Java app you can run it on Linux or Windows computers. It requires Java JRE 6 or 7.
This solution is much more powerful than the PHP (MySQL) and ASP.Net (MS SQL) solutions that are already available.
Main advantages over previous solutions:- Support for many types of database platforms.
- Significantly better performance.
- SQL statements are configured in the server (safer).
- Support for all types of statements, including batch statements.
- Support for BLOBs.
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