Users

userIDusernamepassword
1john_doepassword123
2jane_smithsecurepass
3bob_brownmypassword
4alice_whitestrongPass#1
5emily_blackmysecretpass

Online_Learning_Platforms

platformIDnamewebsite
1Udemywww.udemy.com
2Courserawww.coursera.org
3edXwww.edx.org
4Codecademywww.codecademy.com
5LinkedIn Learninglearning.linkedin.com

Courses

courseIDtitledescription
1English_As_A_Second_LanguageThis course will teach you English as a second language.
2Programming_BasicsThis course covers the basics of programming languages.
3Mathematics_For_EngineersThis course is designed for engineering students who need a strong foundation in mathematics.
4Artificial_IntelligenceThis advanced course covers artificial intelligence concepts and applications.
5Data_ScienceThis comprehensive course teaches data science skills and techniques.

Enrolled_Students

studentIDcourseIDenrollmentDate
(→ Users.userID)(→ Courses.courseID)
112021-07-01
222021-06-20
332021-08-15
442021-09-01
552021-10-01

Ratings

ratingIDstudentIDcourseIDstarsreviewTextsubmissionDate
(→ Users.userID)(→ Courses.courseID)
1115Excellent course! Highly recommended.2021-08-10
2224Good course but could use more examples.2021-07-15
3335Very helpful for my studies.2021-08-20
4445Great course on AI, highly informative.2021-09-05
5554The content was good, but I felt it lacked depth at times.2021-10-10

Instructors

instructorIDfirstNamelastNameemail
1JohnDoejohnd@example.com
2JaneSmithjanes@example.com
3BobBrownbobb@example.com
4AliceWhitealicw@example.com
5EmilyBlackemilbl@example.com

Course_Instructor

courseIDinstructorIDstartDateendDate
(→ Courses.courseID)(→ Instructors.instructorID)
112021-01-012022-12-31
222021-02-012022-12-31
332021-03-012022-12-31
442021-04-012022-12-31
552021-05-012022-12-31

Online_Learning_Platforms_Courses

platformIDcourseIDavailabilityStatus
(→ Online_Learning_Platforms.platformID)(→ Courses.courseID)
11Available
21Unavailable
32Available
43Unavailable
54Available
31Available
41Unavailable
51Available