Filter Data and Append Data

[mubi_masti]

I need help to develop a query

Infact i have two table one is stdtbl and second is temp table

i want to move data from temp table to stdtbl table by doing following tasks

Move data from temp table which is not available in stdtbl
delete data from temp which is duplicate in stdtbl
restore that data which is same but not meeting the criteria


can any one help in develop queries to do above