I am trying to copy a table planet_osm_polygon from one database osm to another test. I su postgres and performed the pg_dump. Problem: However I'm getting the error could not change directory to ...
I have a PostgreSQL table with existing data, and needs to import all the rows in a CSV file into that table. I am using pgadmin3's Import tool to do the import. Question: For the newly imported ...
In the following query, why is it that we have to limit the results returned from each Partition by using the clause WHERE foo.row_num < 3 outside of the subquery foo but not from within the ...