remote oracle database connection -


i working on project using oracle.the remote host pc ip address 10.100.59.30 database exists.i want connect database computer(ip:10.100.59.150). how should it?oracle listener working fine.but showing network adapter not connecting.i checked firewall.it off.all fine database connection not building up.i have tried every possible solution.am missing silly things?i have tried sqlplus username/password@hosta:1521 /xe in cmd.but not working.and not have oracle installed in pc.

do have tnsnames.ora? or here asktom answer how connect oracle without one.


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