> the one I'm interested in, which is "companyID".
^^^^^^^^^^^
> SELECT companyID FROM app;
^^^^^^^^^
> ERROR: column "companyid" does not exist
^^^^^^^^^^^
Look closely at the capitalization and quoting.
--
GPG key ID E4071346 @ wwwkeys.pgp.net
E167 67FD A291 2BEA 73BD 4537 78B9 A9F9 E407 1346