var sidebar_align = 'right';
var content_container_margin = parseInt('290px');
var sidebar_width = parseInt('270px');
Unanswered: Schema manager
I installed enterprise manager and I can connect using DBA studio but Schema manager and Instance manager are giving TNS errors.
Can you connect using Sql*plus ?
I cannot connect using sql
You might want to check out your "Net Configuration".
If you are using Windows, go to (something like)
Programs=>Oracle=>Configuration Tools=>Net Configuration Assistant