Postgresql – Postgres sql to compare data between two tables and populate in target
Scenario : Input table 1 : need to compare the value of field2 of table1 with field 3 of table 2 example : select from svc_lz.fn_abc;svc_lz.fn_cde; so field 2 values of table 1 is present after 'select' i.e svc_lz.fn_abc and…