How to create a page that tests and then creates a valid DB LINK connection

The problem is that I'd like to create a page that has all the necessary fields (name, host, port, etc) to create a database link just like the one in the SQL workshop - I'd prefer to have it done this way so as to limit the users from using SQL workshop. But i'd also like the DB Link tested before created.
I've tinkered around a bit and was able to create the database link using a page process that calls an execute immediate statement to add the database link using items in the form section, however I'm confused as to how I would test the connection before hand.

but rather the concept of a page that reads from table (maybe a "report?") to provide a result set of data which the user can click on a result to direct to another page.You are on the right track with the idea of an initial page with a report region listing your reports as links. Not sure from the provided information if this out of the box capability will meet your actual requirement, but try the Create Page wizard > New page > Form > Form on a Table with Report as a first approximation.
instead of creating unique individual pages for each of the 100 Oracle Reports, featuring the report's attributes (parameters, etc), what do I need to do just have one APEX page that dynamically reads from the table and builds the Region and its Items based on what's in the table?If this can't be handled using the built-in Form on a Table with Report design pattern, it sounds like it will be possible using a dynamic form generated using the [APEX_ITEM API|http://download.oracle.com/docs/cd/B28359_01/appdev.111/b32258/api.htm#BGBHDGAI] either as another report region or a PL/SQL Dynamic Content region.
Also, any reference books that you guys recommend on the ins/outs of APEX? [Pro Oracle Application Express|http://www.amazon.co.uk/gp/reader/159059827X/ref=sib_dp_pt#reader-link], the authors of which are active voices on this forum, is a good book. The forum itself is an unbelievable resource, as is the hosted service for learning and experiment at [apex.oracle.com|http://apex.oracle.com/i/index.html].

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