install_driver(Oracle) failed

Dear Sir: I try to use perl script to connect to a oracle database in cygwin, and I am getting this error msg: install_driver(Oracle) failed: cann't locate DBD/Oracle.pm in @INC (@INC contains: /usr/lib/perl5/5.8/cygwin ..) Perphase the DBD::Oracle perl module hasn't been fully installed

How to install gcc?

Dear Sir: I have downloaded the latest setup.exe for cygwin from cygwin.com and installed everything by setting "Select packages" to "All @ Full". I double checked that in "Devel", gcc-testsuit 3.4.4-1 is set to be "keep". But after I installed it, I can't find gcc in cygwin. It kept telling