Clients execute SQL stored procedures in different ways, depending upon the SQL transformation mode in effect.
{call procname(parm1, parm2, ... parmn )}
or:
{call procname( ?, ?, ?, ..., ? )}
where procname is the name of the procedure.
EXEC procname argvalues
or:
EXECUTE procname argvalues
procname is the name of the procedure.
argvalues is a list of argument values separated by commas.
The values must be specified in the exact order specified in the create procedure statement contained in the SQL stored procedure. Input parameters are positional.