Answers for "aritimetics with count(*) postgre"

select count postgres double row count > 1

SELECT
  firstname,
  lastname,
  count(*)
FROM people
GROUP BY
  firstname,
  lastname
HAVING count(*) > 1;

Posted by: Guest on July-13-2020

postgresql select fast check no rows

select exists (select 1 from mytable)

Posted by: Guest on July-13-2020

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