minus-squaregeoff@lemm.eetoNo Stupid Questions@lemmy.world•How does this pic show that Elon Musk doesnt know SQL?linkfedilinkarrow-up15·9 days agoI think what he means is that the unique identifier for a database record is a composite of two fields: SSN + birth date. That doesn’t mean that SSN to birth date is a one-to-many relation. linkfedilink
I think what he means is that the unique identifier for a database record is a composite of two fields: SSN + birth date. That doesn’t mean that SSN to birth date is a one-to-many relation.