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8.4.1 Use RAISE_APPLICATION_ERROR

03 May

SET SERVEROUTPUT ON

DECLARE

v_students NUMBER(3) := 0;

BEGIN

SELECT COUNT(*)

INTO v_students

FROM enrollment e, section s

WHERE e.section_id = s.section_id

AND s.course_no = 25

AND s.section_id = 89;

IF v_students > 10 THEN

RAISE_APPLICATION_ERROR(-20002, ‘ Course 25, section 89 has more than 10 students’);

END IF;

DBMS_OUTPUT.PUT_LINE(‘Course 25, section 89 has ‘ || v_students || ‘ students’);

END;

DECLARE

*

ERROR at line 1:

ORA-20002: Course 25, section 89 has more than 10 students

ORA-06512: at line 12

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Posted by on 05/03/2010 in ORACLE

 

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