. What is the procedure of returning value for Stored Procedure in Pstgresql?

Whenever you want to find which type of procedure returns a value, you need to understand that a function always gives something back. It can be a row, a set of rows, a single value, void, etc. Only a no row cannot return anything. SELECT can create exceptions in the PL/pgSQL function. A PROCEDURE gives back only a row if it argues with INOUT mode. So, if you consider a DOP statement to run ad-hoc PL/pgSQL code when you do not want to pass anything, see what happens. So, if you want to get anything from a stored procedure, you need to use the INTO keyword while assigning the parameter. Here is the code: