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The usual way to access an external database from a html/js client is through ajax. However this requires server-side scripting (php) to connect to the db-server and echo query results back. The downside among others is the requirement for a separate php server. The other way is to use node.js server side, install a node.js mysql / oracle connector and set up the connection from the client. Downside is that it involves setting up a separate node server Devart (www.devart.com) supplies database connectivity components for delphi, lazarus, free pascal on windows, mac-os, android, ios in 32 and 64 bit versions for all major databases. I've used them from Delphi and they work great. The interesting thing is that some of their products (mydac, dbexpress) are able to connect NATIVELY to external databases, not using additional server side processing or any specific client libraries at all. https://www.devart.com/mydac/ "MyDAC-based DB applications are easy to deploy, do not require installation of other data provider layers (such as BDE or ODBC), and that's why they can work faster than the ones based on standard data connectivity solutions. Moreover, MyDAC provides an additional opportunity to work NATIVELY without involving any client library." This native connectivity is built on tcp/ip Question : would it be possible to do something similar and end up with a native SMS client-dbserver connection not involving any other server side processing or os specific drivers ?