How to return a resultset/table from a sql function?

["Joost Kraaijeveld" <J.Kraaijeveld@xxxxxxxxxx>]

Hi,

Is it possible to return the following (parameterized) qyery from a sql or plpsql function, and if so, what is the syntax?

SELECT{ 	(SELECT COUNT(klantnummer) 		FROM abo_klt WHERE abonnement = $1),
		(SELECT SUM(aantal_abonnementen) 	FROM abo_klt WHERE abonnement = $1));




Groeten,

Joost

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