bug fixes

scripts/script1.sql

+drop table if exists education_level;
+drop table if exists region;
 drop table if exists studentVle;
 drop table if exists studentRegistration;
 drop table if exists studentAssessment;
@@ -87,50 +89,50 @@ create table studentVle (
 
 
 
-load data LOCAL infile '/home/stefan/stefan/3B/356/ece356/project/data_files/courses.csv' ignore into table courseOfferings
+load data LOCAL infile '/Users/rzhang/workspace/356/356-group-40-project/data_files/courses.csv' ignore into table courseOfferings
      fields terminated by ','
      enclosed by '"'
      lines terminated by '\r\n'
      ignore 1 lines;
      
-load data LOCAL infile '/home/stefan/stefan/3B/356/ece356/project/data_files/assessments.csv' ignore into table assessments
+load data LOCAL infile '/Users/rzhang/workspace/356/356-group-40-project/data_files/assessments.csv' ignore into table assessments
      fields terminated by ','
      enclosed by '"'
      lines terminated by '\r\n'
      ignore 1 lines;
 
-load data LOCAL infile '/home/stefan/stefan/3B/356/ece356/project/data_files/vle.csv' ignore into table vle
+load data LOCAL infile '/Users/rzhang/workspace/356/356-group-40-project/data_files/vle.csv' ignore into table vle
      fields terminated by ','
      enclosed by '"'
      lines terminated by '\r\n'
      ignore 1 lines;
 
 
-load data LOCAL infile '/home/stefan/stefan/3B/356/ece356/project/data_files/studentInfo.csv' ignore into table studentInfo
+load data LOCAL infile '/Users/rzhang/workspace/356/356-group-40-project/data_files/studentInfo.csv' ignore into table studentInfo
      fields terminated by ','
      enclosed by '"'
      lines terminated by '\r\n'
      ignore 1 lines;
 
-load data LOCAL infile '/home/stefan/stefan/3B/356/ece356/project/data_files/studentAssessment.csv' ignore into table studentAssessment
+load data LOCAL infile '/Users/rzhang/workspace/356/356-group-40-project/data_files/studentAssessment.csv' ignore into table studentAssessment
      fields terminated by ','
      enclosed by '"'
      lines terminated by '\r\n'
      ignore 1 lines;
 
 
-load data LOCAL infile '/home/stefan/stefan/3B/356/ece356/project/data_files/studentRegistration.csv' ignore into table studentRegistration
+load data LOCAL infile '/Users/rzhang/workspace/356/356-group-40-project/data_files/studentRegistration.csv' ignore into table studentRegistration
      fields terminated by ','
      enclosed by '"'
      lines terminated by '\r\n'
      ignore 1 lines;
 
 
-load data LOCAL infile '/home/stefan/stefan/3B/356/ece356/project/data_files/studentVle.csv' ignore into table studentVle
+load data LOCAL infile '/Users/rzhang/workspace/356/356-group-40-project/data_files/studentVle.csv' ignore into table studentVle
      fields terminated by ','
      enclosed by '"'
      lines terminated by '\r\n'
-    ignore 8000000 lines;
+    ignore 10500000 lines;
 
 
 

scripts/script2.sql

@@ -19,7 +19,7 @@ ALTER TABLE assessments  DROP INDEX fk_courses_assessments;
 
 -- Add new PK column 
 ALTER TABLE courseOfferings DROP PRIMARY KEY;
-ALTER TABLE courseOfferings ADD course_offering_id int auto_incre6ment primary key; 
+ALTER TABLE courseOfferings ADD course_offering_id int auto_increment primary key; 
 
 -- ---------
 -- TABLE_NAME, CONSTRAINT_TYPE, CONSTRAINT_NAME
@@ -36,17 +36,16 @@ SET studentVle.course_offering_id = courseOfferings.course_offering_id;
 
 ALTER TABLE studentRegistration ADD course_offering_id int;
 ALTER TABLE studentRegistration ADD CONSTRAINT fk_courseid_studentRegistration FOREIGN KEY (course_offering_id) REFERENCES courseOfferings (course_offering_id);
-
-
 UPDATE studentRegistration LEFT JOIN courseOfferings ON (studentRegistration.code_module = courseOfferings.code_module AND studentRegistration.code_presentation = courseOfferings.code_presentation)
 SET studentRegistration.course_offering_id = courseOfferings.course_offering_id;
 
+ALTER TABLE studentInfo ADD course_offering_id int;
 ALTER TABLE studentInfo ADD CONSTRAINT fk_courseid_studentInfo FOREIGN KEY (course_offering_id) REFERENCES courseOfferings (course_offering_id);
 UPDATE studentInfo LEFT JOIN courseOfferings ON (studentInfo.code_module = courseOfferings.code_module AND studentInfo.code_presentation = courseOfferings.code_presentation)
 SET studentInfo.course_offering_id = courseOfferings.course_offering_id;
 
-
-
+ALTER TABLE vle ADD course_offering_id int;
+ALTER TABLE vle ADD CONSTRAINT fk_courseid_vle FOREIGN KEY (course_offering_id) REFERENCES courseOfferings (course_offering_id);
 UPDATE vle LEFT JOIN courseOfferings ON (vle.code_module = courseOfferings.code_module AND vle.code_presentation = courseOfferings.code_presentation)
 SET vle.course_offering_id = courseOfferings.course_offering_id;