These pages refer to legacy Hydra and Lycia 1 features. The functionality described here does not embrace all the functionality provided by Lycia 3. If you use Lycia 3, please, turn to other sections of this online documentation.
If the database connection used is not set in dbcongif.cfg file and the DATABASE statement instead of the CONNECT TO statement is used, the legacy database connection settings are used for compatibility.
For Informix - the environment variables LOGNAME and INFORMIXPASS are used.
For Oracle - the changes in the register made by the Connect Tool on Windows and the content of the dbtrans file on Linux/UNIX are used.
For ODBC - the value of the ODBC_DSN variable referencing a valid ODBC DSN name is used.