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Karl Fast wrote

- There is an ODBC DA, but it works only on Windows because there isn't a good ODBC implementation on Linux. This isn't Zope's fault.

I'm not sure that this is true - there are a number of ODBC drivers on Unix, some are open source, and mxODBC interfaces them to Python. ODBC drivers for databases are available in some cases.

- There are DA's for MySQL and PostgreSQL, the two open source databases (yeah, yeah, MySQL isn't truly open source--although one of the older version is). They work, although both are still in development (is this active?) and some people have had troubles getting them to compile. This seems especially true of the MySQL DA judging from pleas for help sent to the zope list, although this may be more of a reflection of MySQL's popularity over PostgreSQL.

There's also gadfly. :) -- Anthony Baxter <anthony@interlink.com.au> It's never too late to have a happy childhood.