Oracle 5.0 Reference Manual page 1788

You can configure other ODBC options in your DSN by adding further keyword/value pairs and setting
the corresponding values. See
20.1.4.5. Configuring a Connector/ODBC DSN on Unix
On Unix, you configure DSN entries directly in the
configures
myodbc3
;
; odbc.ini configuration for Connector/ODBC and Connector/ODBC 3.51 drivers
;
[ODBC Data Sources]
myodbc3 = MyODBC 3.51 Driver DSN
[myodbc3]
Driver = /usr/local/lib/libmyodbc3.so
Description = Connector/ODBC 3.51 Driver DSN
SERVER = localhost
PORT =
USER = root
Password =
Database = test
OPTION = 3
SOCKET =
[Default]
Driver = /usr/local/lib/libmyodbc3.so
Description = Connector/ODBC 3.51 Driver DSN
SERVER = localhost
PORT =
USER = root
Password =
Database = test
OPTION = 3
SOCKET =
Refer to the Section 20.1.4.2, "Connector/ODBC Connection
parameters that can be supplied.
Configuring Connector/ODBC
Section 20.1.4.2, "Connector/ODBC Connection
as the DSN name for Connector/ODBC 3.51:
1768
file. Here is a typical
odbc.ini
Parameters", for the list of connection
Parameters".
file that
odbc.ini