error : subquery must return only one column

error : subquery must return only one column

sql postgresql join left-join cross-join

postgresql

What is the expected behaviour for multiple set-returning functions in SELECT clause?

sql postgresql cross-join generate-series set-returning-functions

postgresql

Why do CROSS JOIN conditions not work in the 'ON' clause, only the WHERE clause?

postgresql cross-join

postgresql

PostgreSQL LEFT OUTER JOIN query syntax

sql postgresql left-join cross-join

postgresql