Yup. I still remember the day I found out about constraints, and I became kind of angry nobody had told me about this before. I can imagine one can get carried

Yup. I still remember the day I found out about constraints, and I became kind of angry nobody had told me about this before. I can imagine one can get carried away and shoot themselves in the foot when being careless, but all in all, I think constraints are a valuable tool to protect the integrity of my data.