See see http://www.tersus.com/#Id=45 , http://www.tersus.com/#Id=242 , and http://www.tersus.com/#Id=376 for more details.
About the autoincrement id, there is no need to use the Database/Sequence Number (ie. you may delete it, if you use the Module/Advanced Table Display)
For your last question, I haven't a solution (maybe the Tersus boys)
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