Greg Stark wrote: > >> Merge Cond: ("outer"."?column7?" = "inner"."?column5?") >> >> > >Well it looks like you have something strange going on. What data type is >car_id in each table? > > > car_id is a varchar(10) in both tables.
pgsql-performance by date:
Соглашаюсь с условиями обработки персональных данных