4 ms·Create a new column with an MD5 hash of the other columns. Easy. /sby frankreyes 3y agoCreate a new column with an MD5 hash of the other columns. Easy. /srvnx 3y agoThis is how it works, except it's not MD5 but a less-costly hash functioneru 3y agoMD5 is a useless hash function these days. It's not cryptographically secure (anymore). And there are cheaper non-cryptographically secure hash functions.