Question: I'd like to clear params after running a query but can not find the correct property method. There's no Clear method or something like that. How can I clear the params?
Answer: Use ParamByName('aaa').Clear; In FIBPlus version 4.8.1 and downwards this feature did not exist. So users had to write ParamByName('aaa').IsNull:=True. And if you want to clear all the parameters, write a loop:
for i := 0 to Params.count-1 do