118 lines
2.1 KiB
SQL
118 lines
2.1 KiB
SQL
ALTER TABLE INSTRUCTOR
|
|
ADD CONSTRAINT INST_PK PRIMARY KEY
|
|
(INSTRUCTOR_ID)
|
|
;
|
|
|
|
ALTER TABLE GRADE
|
|
ADD CONSTRAINT GR_PK PRIMARY KEY
|
|
(STUDENT_ID
|
|
,SECTION_ID
|
|
,GRADE_TYPE_CODE
|
|
,GRADE_CODE_OCCURRENCE)
|
|
;
|
|
|
|
ALTER TABLE GRADE_TYPE
|
|
ADD CONSTRAINT GRTYP_PK PRIMARY KEY
|
|
(GRADE_TYPE_CODE)
|
|
;
|
|
|
|
ALTER TABLE GRADE_CONVERSION
|
|
ADD CONSTRAINT GRCON_PK PRIMARY KEY
|
|
(LETTER_GRADE)
|
|
;
|
|
|
|
ALTER TABLE GRADE_TYPE_WEIGHT
|
|
ADD CONSTRAINT GRTW_PK PRIMARY KEY
|
|
(SECTION_ID
|
|
,GRADE_TYPE_CODE)
|
|
;
|
|
|
|
ALTER TABLE SECTION
|
|
ADD CONSTRAINT SECT_PK PRIMARY KEY
|
|
(SECTION_ID)
|
|
;
|
|
|
|
ALTER TABLE COURSE
|
|
ADD CONSTRAINT CRSE_PK PRIMARY KEY
|
|
(COURSE_NO)
|
|
;
|
|
|
|
ALTER TABLE ENROLLMENT
|
|
ADD CONSTRAINT ENR_PK PRIMARY KEY
|
|
(STUDENT_ID
|
|
,SECTION_ID)
|
|
;
|
|
|
|
ALTER TABLE STUDENT
|
|
ADD CONSTRAINT STU_PK PRIMARY KEY
|
|
(STUDENT_ID)
|
|
;
|
|
|
|
ALTER TABLE ZIPCODE
|
|
ADD CONSTRAINT ZIP_PK PRIMARY KEY
|
|
(ZIP)
|
|
;
|
|
|
|
ALTER TABLE SECTION
|
|
ADD ( CONSTRAINT SECT_SECT2_UK UNIQUE
|
|
(SECTION_NO
|
|
,COURSE_NO))
|
|
;
|
|
|
|
ALTER TABLE INSTRUCTOR ADD CONSTRAINT
|
|
INST_ZIP_FK FOREIGN KEY
|
|
(ZIP) REFERENCES ZIPCODE
|
|
(ZIP)
|
|
;
|
|
|
|
ALTER TABLE GRADE ADD CONSTRAINT
|
|
GR_ENR_FK FOREIGN KEY
|
|
(STUDENT_ID
|
|
,SECTION_ID) REFERENCES ENROLLMENT
|
|
(STUDENT_ID
|
|
,SECTION_ID) ADD CONSTRAINT
|
|
GR_GRTW_FK FOREIGN KEY
|
|
(SECTION_ID
|
|
,GRADE_TYPE_CODE) REFERENCES GRADE_TYPE_WEIGHT
|
|
(SECTION_ID
|
|
,GRADE_TYPE_CODE)
|
|
;
|
|
|
|
ALTER TABLE GRADE_TYPE_WEIGHT ADD CONSTRAINT
|
|
GRTW_GRTYP_FK FOREIGN KEY
|
|
(GRADE_TYPE_CODE) REFERENCES GRADE_TYPE
|
|
(GRADE_TYPE_CODE) ADD CONSTRAINT
|
|
GRTW_SECT_FK FOREIGN KEY
|
|
(SECTION_ID) REFERENCES SECTION
|
|
(SECTION_ID)
|
|
;
|
|
|
|
ALTER TABLE SECTION ADD CONSTRAINT
|
|
SECT_INST_FK FOREIGN KEY
|
|
(INSTRUCTOR_ID) REFERENCES INSTRUCTOR
|
|
(INSTRUCTOR_ID) ADD CONSTRAINT
|
|
SECT_CRSE_FK FOREIGN KEY
|
|
(COURSE_NO) REFERENCES COURSE
|
|
(COURSE_NO)
|
|
;
|
|
|
|
ALTER TABLE COURSE ADD CONSTRAINT
|
|
CRSE_CRSE_FK FOREIGN KEY
|
|
(PREREQUISITE) REFERENCES COURSE
|
|
(COURSE_NO)
|
|
;
|
|
|
|
ALTER TABLE ENROLLMENT ADD CONSTRAINT
|
|
ENR_STU_FK FOREIGN KEY
|
|
(STUDENT_ID) REFERENCES STUDENT
|
|
(STUDENT_ID) ADD CONSTRAINT
|
|
ENR_SECT_FK FOREIGN KEY
|
|
(SECTION_ID) REFERENCES SECTION
|
|
(SECTION_ID)
|
|
;
|
|
|
|
ALTER TABLE STUDENT ADD CONSTRAINT
|
|
STU_ZIP_FK FOREIGN KEY
|
|
(ZIP) REFERENCES ZIPCODE
|
|
(ZIP)
|
|
; |