Fixing holes/gaps in numbers generated by Postgres sequence

Question

I have a postgres database that uses sequences extensively to generate primary keys of tables. After a lot of usage of this database i.e. Adding/Update/Delete operation the

Answer 1

If you feel the need to fill gaps in auto-generated Posgresql sequence numbers, I have the feeling you need another field in your table, like some kind of "number" you increment programmatically, either in your code, or in a trigger.