Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Option 2 is correct, Option 1 - not from, because in 1-st option you denormalize you data normalization point of view. It's bring problem to you in future. For example if you update tutor in course you will be update all tutor id in triplet.
Option 2 is correct, Option 1 - not from data normalization point of view.
Option 2 is correct, Option 1 - not, because in 1-st option you denormalize you data. It's bring problem to you in future. For example if you update tutor in course you will be update all tutor id in triplet.
