function plsql
CREATE OR REPLACE FUNCTION my_schema.my_function(param1 IN number) RETURN output1 IS
cnumber NUMBER;
BEGIN
cnumber := 2;
RETURN (cnumber * param1);
EXCEPTION
WHEN OTHERS THEN
raise_application_error(-20001, 'An error was encountered - '
|| sqlcode || ' -ERROR- ' || sqlerrm);
END;PL/SQL
DECLARE
TYPE <type_name> IS RECORD
(
<columnl> <datatype>,
);
BEGIN
<execution_section>;
END;function pl sql with select
CREATE OR REPLACE FUNCTION get_total_sales(
in_year PLS_INTEGER
)
RETURN NUMBER
IS
l_total_sales NUMBER := 0;
BEGIN
-- get total sales
SELECT SUM(unit_price * quantity)
INTO l_total_sales
FROM order_items
INNER JOIN orders USING (order_id)
WHERE status = 'Shipped'
GROUP BY EXTRACT(YEAR FROM order_date)
HAVING EXTRACT(YEAR FROM order_date) = in_year;
-- return the total sales
RETURN l_total_sales;
END;Copyright © 2021 Codeinu
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