CREATE OR REPLACE PACKAGE Conflicting_course AS

FUNCTION helper1
(deptCode IN VARCHAR2, courseNumber IN NUMBER, deptCode2 IN VARCHAR2, courseNumber2 IN NUMBER, section1 IN VARCHAR2, section2 IN VARCHAR2)
    RETURN NUMBER;
FUNCTION helper2
    (deptCode IN VARCHAR2, courseNumber IN NUMBER, semester IN VARCHAR2, gradYear IN DATE)
    RETURN NUMBER;
FUNCTION helper3
    (deptCode IN VARCHAR2, courseNumber IN NUMBER, deptCode2 IN VARCHAR2, courseNumber2 IN NUMBER, semester VARCHAR2)
    RETURN NUMBER;
FUNCTION mainFunction
(deptCode IN VARCHAR2, courseNumber IN NUMBER, deptCode2 IN VARCHAR2, courseNumber2 IN NUMBER, semester IN VARCHAR2, gradYear DATE, section1 IN VARCHAR2, section2 IN VARCHAR2)
    RETURN NUMBER;

END Conflicting_course;
/
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