Good course:
Part1: https://www.youtube.com/watch?v=QpdhBUYk7Kk

think always minimum and maximum

Part2: https://www.youtube.com/watch?v=-CuY5ADwn24



PK & FK on same column


Bridge table:

Datatypes
Good course:
Part1: https://www.youtube.com/watch?v=QpdhBUYk7Kk
think always minimum and maximum
Part2: https://www.youtube.com/watch?v=-CuY5ADwn24
PK & FK on same column
Bridge table:
Datatypes