Notes
Notes - notes.io |
SET SERVEROUTPUT ON
CREATE OR REPLACE FUNCTION func_designers_count
RETURN NUMBER IS
vn_designers_count NUMBER(3);
BEGIN
SELECT COUNT(designer_id)
INTO vn_designers_count
FROM designers;
RETURN vn_designers_count;
END func_designers_count;
/
SHOW ERRORS
-- PROCEDURE to to call func_customers_count function to calculate number of designers
CREATE OR REPLACE PROCEDURE proc_designers_count IS
vn_no_of_customers NUMBER(3);
BEGIN
vn_no_of_customers := func_designers_count;
DBMS_OUTPUT.PUT_LINE ('There are ' || vn_no_of_customers || ' designers');
END proc_designers_count;
/
SHOW ERRORS
exec proc_designers_count
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