On Jul 25, 2006, at 3:58 PM, Long Huynh wrote:

Could someone explain to me the different SQLite and
RealSQL server?  I'm so confused.

SQLite (http://www.sqlite.org) is a single user database engine and it is the one that you can use with the REALSQLDatabase class. We took sqlite (the single user version) and we highly modify it in order to support high concurrency and multiple users working at the same time on the same database, and you can use this new product using the new REALSQLServer and REALSQLDatabaseServer class. The goal here is that for end user everything is completely transparent, because you can just drop your REALSQLDatabase single- user file into the server's folder in order to have a blazing fast and an high concurrency shared database.

I thought RB only
supports SQLite, but SQLite has another version for RB
that is faster, but cost money.

This is SQLite3ProfessionalPlugin and it is a complete different product from the REALSQLDatabase class even if both uses sqlite3 as database engine. SQLite3ProfessionalPlugin is just a low level way to access sqlite, in fact it doesn't use the RB API at all.

  Then someone told me
that SQLite has not security even the server version.

I am not sure to understand what you mean here ... but the server has strong military grade encryption built-in.
For more information you can take a look here:
http://www.sqlabs.net/html/aes_connect.html

Is MySQL is still free or is it going to cost money if
you include it in your apps?

It costs money.

Regards,
---
Marco Bambini
http://www.sqlabs.net
http://www.sqlabs.net/blog/


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