[C++ Toolkit ANNOUNCE] DBAPI: the "driver layer" docs

[Denis Vakatov]

The docs on the "driver" layer of NCBI DB API are here:

   http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/libs/dbapi_driver.html


In particular, the whole new section "Supported DBAPI drivers" is
added, which lists already existing and working DBAPI drivers, with
related info and useful hints:

   http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/libs/dbapi_driver.html#ref_Drivers


Just FYI, there are more drivers currently in the development, based on:
		  ODBC
		  NCBI-GATEWAY
		  MySQL/BerkleyDB


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P.S.  The "user" layer (which we expect most people would prefer to
      use) of DBAPI is almost finished, too. The preliminary docs:

   http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/libs/dbapi_user.html