odbc-postgresql - 1:11.00.0000-1 main

This package provides a driver that allows ODBC-enabled applications to
access PostgreSQL databases. ODBC is an abstraction layer that allows
applications written for that layer to access databases in a manner
that is relatively independent of the particular database management
system.
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You need to install this package if you want to use an application that
provides database access through ODBC and you want that application to
access a PostgreSQL database. This package would need to be installed
on the same machine as that client application; the PostgreSQL database
server can be on a different machine and does not need any additional
software to accept ODBC clients.
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If you want to write software that can access a database through the
ODBC abstraction layer, you need to install the unixODBC driver manager
development package unixodbc-dev, and possibly additional packages for
language bindings. This driver package is only used at run time.