I'm not sure emailing you a screen-shot of the window being hidden will be helpful... I can't open the "tree-view" when in query-builder.
Have tried to uninstall and upgrade.
pl/sql developer 9.0.1.1613 and active query builder 1.7.9.63
connect to an oracle database
File, New, SQL Window
Tools, Query Builder (or press icon)
the "tree view" that is normally to the "right" is locked and can't be re-sized. it was "unlocked" until I picked "all objects" from the little...
connected as SYSTEM with DBA privs to a 10.2.0.3 oracle database with a default profile of
create profile DEFAULT limit
sessions_per_user unlimited
cpu_per_session unlimited
cpu_per_call unlimited
connect_time unlimited
idle_time unlimited
logical_reads_per_session unlimited...