4 ms·
In the example given, the most logical natural key to me would be (year, rank). Why otherwise would they have the year in there?
by gpvos 2y ago
In the example given, the most logical natural key to me would be (year, rank). Why otherwise would they have the year in there?
- mathgorges 2y agoThat was my first thought too. But like TFA says, that still wouldn't prtect you from clerical errors.