added Übungszettel 11

studenttables/01_create_student_tables.sql

@@ -0,0 +1,120 @@
+CREATE TABLE INSTRUCTOR
+ (INSTRUCTOR_ID NUMBER(8,0) 
+ ,SALUTATION VARCHAR2(5)
+ ,FIRST_NAME VARCHAR2(25)
+ ,LAST_NAME VARCHAR2(25)
+ ,STREET_ADDRESS VARCHAR2(50)
+ ,ZIP VARCHAR2(5)
+ ,PHONE VARCHAR2(15)
+ ,CREATED_BY VARCHAR2(30) 
+ ,CREATED_DATE DATE 
+ ,MODIFIED_BY VARCHAR2(30) 
+ ,MODIFIED_DATE DATE 
+ );
+
+CREATE TABLE GRADE
+ (STUDENT_ID NUMBER(8,0) 
+ ,SECTION_ID NUMBER(8,0) 
+ ,GRADE_TYPE_CODE CHAR(2) 
+ ,GRADE_CODE_OCCURRENCE NUMBER(38,0) 
+ ,NUMERIC_GRADE NUMBER(3,0) DEFAULT 0 
+ ,COMMENTS VARCHAR2(2000)
+ ,CREATED_BY VARCHAR2(30) 
+ ,CREATED_DATE DATE 
+ ,MODIFIED_BY VARCHAR2(30) 
+ ,MODIFIED_DATE DATE 
+ );
+
+CREATE TABLE GRADE_TYPE
+ (GRADE_TYPE_CODE CHAR(2) 
+ ,DESCRIPTION VARCHAR2(50) 
+ ,CREATED_BY VARCHAR2(30) 
+ ,CREATED_DATE DATE 
+ ,MODIFIED_BY VARCHAR2(30) 
+ ,MODIFIED_DATE DATE 
+ );
+
+CREATE TABLE GRADE_CONVERSION
+ (LETTER_GRADE VARCHAR2(2) 
+ ,GRADE_POINT NUMBER(3,2) DEFAULT 0 
+ ,MAX_GRADE NUMBER(3,0) 
+ ,MIN_GRADE NUMBER(3,0) 
+ ,CREATED_BY VARCHAR2(30) 
+ ,CREATED_DATE DATE 
+ ,MODIFIED_BY VARCHAR2(30)
+ ,MODIFIED_DATE DATE  
+ );
+
+CREATE TABLE GRADE_TYPE_WEIGHT
+ (SECTION_ID NUMBER(8,0) 
+ ,GRADE_TYPE_CODE CHAR(2) 
+ ,NUMBER_PER_SECTION NUMBER(3,0) 
+ ,PERCENT_OF_FINAL_GRADE NUMBER(3,0) 
+ ,DROP_LOWEST CHAR(1) 
+ ,CREATED_BY VARCHAR2(30) 
+ ,CREATED_DATE DATE 
+ ,MODIFIED_BY VARCHAR2(30) 
+ ,MODIFIED_DATE DATE 
+ );
+
+CREATE TABLE SECTION
+ (SECTION_ID NUMBER(8,0) 
+ ,COURSE_NO NUMBER(8,0) 
+ ,SECTION_NO NUMBER(3,0) 
+ ,START_DATE_TIME DATE
+ ,LOCATION VARCHAR2(50)
+ ,INSTRUCTOR_ID NUMBER(8,0) 
+ ,CAPACITY NUMBER(3,0)
+ ,CREATED_BY VARCHAR2(30) 
+ ,CREATED_DATE DATE 
+ ,MODIFIED_BY VARCHAR2(30) 
+ ,MODIFIED_DATE DATE 
+ );
+ 
+CREATE TABLE COURSE
+ (COURSE_NO NUMBER(8,0) 
+ ,DESCRIPTION VARCHAR2(50) 
+ ,COST NUMBER(9,2) 
+ ,PREREQUISITE NUMBER(8,0)
+ ,CREATED_BY VARCHAR2(30) 
+ ,CREATED_DATE DATE 
+ ,MODIFIED_BY VARCHAR2(30) 
+ ,MODIFIED_DATE DATE 
+ );
+ 
+CREATE TABLE ENROLLMENT
+ (STUDENT_ID NUMBER(8,0) 
+ ,SECTION_ID NUMBER(8,0) 
+ ,ENROLL_DATE DATE 
+ ,FINAL_GRADE NUMBER(3,0)
+ ,CREATED_BY VARCHAR2(30) 
+ ,CREATED_DATE DATE 
+ ,MODIFIED_BY VARCHAR2(30) 
+ ,MODIFIED_DATE DATE 
+ );
+
+CREATE TABLE STUDENT
+ (STUDENT_ID NUMBER(8,0) 
+ ,SALUTATION VARCHAR2(5)
+ ,FIRST_NAME VARCHAR2(25)
+ ,LAST_NAME VARCHAR2(25) 
+ ,STREET_ADDRESS VARCHAR2(50)
+ ,ZIP VARCHAR2(5) 
+ ,PHONE VARCHAR2(15)
+ ,EMPLOYER VARCHAR2(50)
+ ,REGISTRATION_DATE DATE 
+ ,CREATED_BY VARCHAR2(30) 
+ ,CREATED_DATE DATE 
+ ,MODIFIED_BY VARCHAR2(30) 
+ ,MODIFIED_DATE DATE 
+ );
+
+CREATE TABLE ZIPCODE
+ (ZIP VARCHAR2(5) 
+ ,CITY VARCHAR2(25)
+ ,STATE VARCHAR2(2)
+ ,CREATED_BY VARCHAR2(30) 
+ ,CREATED_DATE DATE 
+ ,MODIFIED_BY VARCHAR2(30) 
+ ,MODIFIED_DATE DATE 
+ );

studenttables/02_create_student_indices.sql

@@ -0,0 +1,24 @@
+CREATE INDEX INST_ZIP_FK_I ON INSTRUCTOR
+ (ZIP);
+
+CREATE INDEX GR_GRTW_FK_I ON GRADE
+ (SECTION_ID
+ ,GRADE_TYPE_CODE);
+
+CREATE INDEX GRTW_GRTYP_FK_I ON GRADE_TYPE_WEIGHT
+ (GRADE_TYPE_CODE);
+
+CREATE INDEX SECT_CRSE_FK_I ON SECTION
+ (COURSE_NO);
+
+CREATE INDEX SECT_INST_FK_I ON SECTION
+ (INSTRUCTOR_ID);
+
+CREATE INDEX CRSE_CRSE_FK_I ON COURSE
+ (PREREQUISITE);
+
+CREATE INDEX ENR_SECT_FK_I ON ENROLLMENT
+ (SECTION_ID);
+
+CREATE INDEX STU_ZIP_FK_I ON STUDENT
+ (ZIP);

studenttables/04_create_student_constraints.sql

@@ -0,0 +1,101 @@
+ALTER TABLE INSTRUCTOR
+ MODIFY(MODIFIED_BY CONSTRAINT INST_MODFIED_BY_NNULL NOT NULL)
+ MODIFY(INSTRUCTOR_ID CONSTRAINT INST_INSTRUCTOR_ID_NNULL NOT NULL)
+ MODIFY(CREATED_BY CONSTRAINT INST_CREATED_BY_NNULL NOT NULL)
+ MODIFY(CREATED_DATE CONSTRAINT INST_CREATED_DATE_NNULL NOT NULL)
+ MODIFY(MODIFIED_DATE CONSTRAINT INST_MODIFIED_DATE_NNULL NOT NULL)
+;
+
+ALTER TABLE GRADE
+ MODIFY(CREATED_DATE CONSTRAINT GR_CREATED_DATE_NNULL NOT NULL)
+ MODIFY(STUDENT_ID CONSTRAINT GR_STUDENT_ID_NNULL NOT NULL)
+ MODIFY(SECTION_ID CONSTRAINT GR_SECTION_ID_NNULL NOT NULL)
+ MODIFY(GRADE_TYPE_CODE CONSTRAINT GR_GRADE_TYPE_CODE_NNULL NOT NULL)
+ MODIFY(MODIFIED_DATE CONSTRAINT GR_MODIFIED_DATE_NNULL NOT NULL)
+ MODIFY(CREATED_BY CONSTRAINT GR_CREATED_BY_NNULL NOT NULL)
+ MODIFY(GRADE_CODE_OCCURRENCE CONSTRAINT GR_GRADE_CODE_OCCURRENCE_NNULL NOT NULL)
+ MODIFY(MODIFIED_BY CONSTRAINT GR_MODIFIED_BY_NNULL NOT NULL)
+ MODIFY(NUMERIC_GRADE CONSTRAINT GR_NUMERIC_GRADE_NNULL NOT NULL)
+;
+
+ALTER TABLE GRADE_TYPE
+ MODIFY(DESCRIPTION CONSTRAINT GRTYP_DESCRIPTION_NNULL NOT NULL)
+ MODIFY(MODIFIED_BY CONSTRAINT GRTYP_MODIFIED_BY_NNULL NOT NULL)
+ MODIFY(CREATED_BY CONSTRAINT GRTYP_CREATED_BY_NNULL NOT NULL)
+ MODIFY(GRADE_TYPE_CODE CONSTRAINT GRTYP_GRADE_TYPE_CODE_NNULL NOT NULL)
+ MODIFY(MODIFIED_DATE CONSTRAINT GRTYP_MODIFIED_DATE_NNULL NOT NULL)
+ MODIFY(CREATED_DATE CONSTRAINT GRTYP_CREATED_DATE_NNULL NOT NULL)
+ ADD CONSTRAINT GRTYP_GRADE_TYPE_CODE_LENGTH CHECK (LENGTH(grade_type_code)=2)
+;
+ 
+ALTER TABLE GRADE_CONVERSION
+ MODIFY(MAX_GRADE CONSTRAINT GRCON_MAX_GRADE_NNULL NOT NULL)
+ MODIFY(MODIFIED_DATE CONSTRAINT GRCON_MODIFIED_DATE_NNULL NOT NULL)
+ MODIFY(CREATED_DATE CONSTRAINT GRCON_CREATED_DATE_NNULL NOT NULL)
+ MODIFY(GRADE_POINT CONSTRAINT GRCON_GRADE_POINT_NNULL NOT NULL)
+ MODIFY(MODIFIED_BY CONSTRAINT GRCON_MODIFIED_BY_NNULL NOT NULL)
+ MODIFY(LETTER_GRADE CONSTRAINT GRCON_LETTER_GRADE_NNULL NOT NULL)
+ MODIFY(MIN_GRADE CONSTRAINT GRCON_MIN_GRADE_NNULL NOT NULL)
+ MODIFY(CREATED_BY CONSTRAINT GRCON_CREATED_BY_NNULL NOT NULL)
+;
+ 
+ALTER TABLE GRADE_TYPE_WEIGHT
+ MODIFY(NUMBER_PER_SECTION CONSTRAINT GRTW_NUMBER_PER_SECTION_NNULL NOT NULL)
+ MODIFY(CREATED_DATE CONSTRAINT GRTW_CREATED_DATE_NNULL NOT NULL)
+ MODIFY(PERCENT_OF_FINAL_GRADE CONSTRAINT GRTW_PCT_OF_FINAL_GRADE_NNULL NOT NULL)
+ MODIFY(GRADE_TYPE_CODE CONSTRAINT GRTW_GRADE_TYPE_CODE_NNULL NOT NULL)
+ MODIFY(SECTION_ID CONSTRAINT GRTW_SECTION_ID_NNULL NOT NULL)
+ MODIFY(MODIFIED_BY CONSTRAINT GRTW_MODIFIED_BY_NNULL NOT NULL)
+ MODIFY(CREATED_BY CONSTRAINT GRTW_CREATED_BY_NNULL NOT NULL)
+ MODIFY(DROP_LOWEST CONSTRAINT GRTW_DROP_LOWEST_NNULL NOT NULL)
+ MODIFY(MODIFIED_DATE CONSTRAINT GRTW_MODIFIED_DATE_NNULL NOT NULL)
+;
+ 
+ALTER TABLE SECTION
+ MODIFY(CREATED_DATE CONSTRAINT SECT_CREATED_DATE_NNULL NOT NULL)
+ MODIFY(MODIFIED_BY CONSTRAINT SECT_MODIFIED_BY_NNULL NOT NULL)
+ MODIFY(SECTION_ID CONSTRAINT SECT_SECTION_ID_NNULL NOT NULL)
+ MODIFY(SECTION_NO CONSTRAINT SECT_SECTION_NO_NNULL NOT NULL)
+ MODIFY(CREATED_BY CONSTRAINT SECT_CREATED_BY_NNULL NOT NULL)
+ MODIFY(INSTRUCTOR_ID CONSTRAINT SECT_INSTRUCTOR_ID_NNULL NOT NULL)
+ MODIFY(MODIFIED_DATE CONSTRAINT SECT_MODIFIED_DATE_NNULL NOT NULL)
+ MODIFY(COURSE_NO CONSTRAINT SECT_COURSE_NO_NNULL NOT NULL)
+;
+ 
+ALTER TABLE COURSE
+ MODIFY(CREATED_DATE CONSTRAINT CRSE_CREATED_DATE_NNULL NOT NULL)
+ MODIFY(MODIFIED_BY CONSTRAINT CRSE_MODIFIED_BY_NNULL NOT NULL)
+ MODIFY(MODIFIED_DATE CONSTRAINT CRSE_MODIFIED_DATE_NNULL NOT NULL)
+ MODIFY(DESCRIPTION CONSTRAINT CRSE_DESCRIPTION_NNULL NOT NULL)
+ MODIFY(COURSE_NO CONSTRAINT CRSE_COURSE_NO_NNULL NOT NULL)
+ MODIFY(CREATED_BY CONSTRAINT CRSE_CREATED_BY_NNULL NOT NULL)
+;
+ 
+ALTER TABLE ENROLLMENT
+ MODIFY(MODIFIED_DATE CONSTRAINT ENR_MODIFIED_DATE_NNULL NOT NULL)
+ MODIFY(STUDENT_ID CONSTRAINT ENR_STUDENT_ID_NNULL NOT NULL)
+ MODIFY(ENROLL_DATE CONSTRAINT ENR_ENROLL_DATE_NNULL NOT NULL)
+ MODIFY(MODIFIED_BY CONSTRAINT ENR_MODIFIED_BY_NNULL NOT NULL)
+ MODIFY(SECTION_ID CONSTRAINT ENR_SECTION_ID_NNULL NOT NULL)
+ MODIFY(CREATED_BY CONSTRAINT ENR_CREATED_BY_NNULL NOT NULL)
+ MODIFY(CREATED_DATE CONSTRAINT ENR_CREATED_DATE_NNULL NOT NULL)
+;
+ 
+ALTER TABLE STUDENT
+ MODIFY(REGISTRATION_DATE CONSTRAINT STU_REGISTRATION_DATE_NNULL NOT NULL)
+ MODIFY(CREATED_BY CONSTRAINT STU_CREATED_BY_NNULL NOT NULL)
+ MODIFY(ZIP CONSTRAINT STU_ZIP_NNULL NOT NULL)
+ MODIFY(LAST_NAME CONSTRAINT STU_LAST_NAME_NNULL NOT NULL)
+ MODIFY(MODIFIED_DATE CONSTRAINT STU_MODIFIED_DATE_NNULL NOT NULL)
+ MODIFY(STUDENT_ID CONSTRAINT STU_STUDENT_ID_NNULL NOT NULL)
+ MODIFY(MODIFIED_BY CONSTRAINT STU_MODIFIED_BY_NNULL NOT NULL)
+ MODIFY(CREATED_DATE CONSTRAINT STU_CREATED_DATE_NNULL NOT NULL)
+;
+ 
+ALTER TABLE ZIPCODE
+ MODIFY(CREATED_BY CONSTRAINT ZIP_CREATED_BY_NNULL NOT NULL)
+ MODIFY(MODIFIED_DATE CONSTRAINT ZIP_MODIFIED_DATE_NNULL NOT NULL)
+ MODIFY(CREATED_DATE CONSTRAINT ZIP_CREATED_DATE_NNULL NOT NULL)
+ MODIFY(ZIP CONSTRAINT ZIP_ZIP_NNULL NOT NULL)
+ MODIFY(MODIFIED_BY CONSTRAINT ZIP_MODIFIED_BY_NNULL NOT NULL)
+;

studenttables/05_create_student_keys.sql

@@ -0,0 +1,118 @@
+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)
+;

studenttables/06_create_student_sequences.sql

@@ -0,0 +1,35 @@
+CREATE SEQUENCE INSTRUCTOR_ID_SEQ
+ INCREMENT BY 1
+ START WITH 112
+ NOMAXVALUE
+ MINVALUE 1
+ NOCYCLE
+ NOCACHE
+;
+
+CREATE SEQUENCE SECTION_ID_SEQ
+ INCREMENT BY 1
+ START WITH 158
+ NOMAXVALUE
+ MINVALUE 1
+ NOCYCLE
+ NOCACHE
+;
+
+CREATE SEQUENCE STUDENT_ID_SEQ
+ INCREMENT BY 1
+ START WITH 401
+ NOMAXVALUE
+ MINVALUE 1
+ NOCYCLE
+ NOCACHE
+;
+
+CREATE SEQUENCE COURSE_NO_SEQ
+ INCREMENT BY 1
+ START WITH 452
+ NOMAXVALUE
+ MINVALUE 1
+ NOCYCLE
+ NOCACHE
+;

studenttables/07_drop_student_tables.sql

@@ -0,0 +1,15 @@
+DROP TABLE COURSE CASCADE CONSTRAINTS;
+DROP TABLE ENROLLMENT CASCADE CONSTRAINTS;
+DROP TABLE GRADE CASCADE CONSTRAINTS;
+DROP TABLE GRADE_CONVERSION CASCADE CONSTRAINTS;
+DROP TABLE GRADE_TYPE CASCADE CONSTRAINTS;
+DROP TABLE GRADE_TYPE_WEIGHT CASCADE CONSTRAINTS;
+DROP TABLE INSTRUCTOR CASCADE CONSTRAINTS;
+DROP TABLE SECTION CASCADE CONSTRAINTS;
+DROP TABLE STUDENT CASCADE CONSTRAINTS;
+DROP TABLE ZIPCODE CASCADE CONSTRAINTS;
+
+DROP SEQUENCE COURSE_NO_SEQ;
+DROP SEQUENCE INSTRUCTOR_ID_SEQ;
+DROP SEQUENCE SECTION_ID_SEQ;
+DROP SEQUENCE STUDENT_ID_SEQ;

studenttables/08_check_student_db.sql

@@ -0,0 +1,30 @@
+SELECT 'Count of COURSE Table:', COUNT(*)
+  FROM course
+ GROUP BY 'Count of COURSE Table:';
+SELECT 'Count of ENROLLMENT Table:', COUNT(*)
+  FROM enrollment
+ GROUP BY 'Count of ENROLLMENT Table:';
+SELECT 'Count of GRADE Table:', COUNT(*)
+  FROM GRADE
+ GROUP BY 'Count of GRADE Table:';
+SELECT 'Count of GRADE_CONVERSION Table:', COUNT(*)
+  FROM GRADE_CONVERSION
+ GROUP BY 'Count of GRADE_CONVERSION Table:';
+SELECT 'Count of GRADE_TYPE Table:', COUNT(*)
+  FROM GRADE_TYPE
+ GROUP BY 'Count of GRADE_TYPE Table:';
+SELECT 'Count of GRADE_TYPE_WEIGHT Table:', COUNT(*)
+  FROM GRADE_TYPE_WEIGHT
+ GROUP BY 'Count of GRADE_TYPE Table:';
+SELECT 'Count of INSTRUCTOR Table:', COUNT(*)
+  FROM INSTRUCTOR
+ GROUP BY 'Count of INSTRUCTOR Table:';
+SELECT 'Count of SECTION Table:', COUNT(*)
+  FROM SECTION
+ GROUP BY 'Count of SECTION Table:';
+SELECT 'Count of STUDENT Table:', COUNT(*)
+  FROM STUDENT
+ GROUP BY 'Count of STUDENT Table:';
+SELECT 'Count of ZIPCODE Table:', COUNT(*)
+  FROM ZIPCODE
+ GROUP BY 'Count of ZIPCODE Table:';