SIM card or something like this put this invent and store it somewhere in the bucket and then when you want to know how much SIM cards because queried bucket don't go to the database and try to query select counter from now number to return number of SIM cards also if you have situations where some of the micro services are sharing the same database but in a different schema don't try to consolidate data on the database level database should be treated as private fields so they are owned by microcircuits and there is a layer of a