15 years ago, I was working on a CRUD system in the automotive industry. It had an ORM, but custom SQL was hard-coded. I was really sick during the winter and

15 years ago, I was working on a CRUD system in the automotive industry. It had an ORM, but custom SQL was hard-coded. I was really sick during the winter and had brain fog for weeks during this time. I accidentally left of the last half of an update statement and whenever anyone logged into the system, it was continually writing to all records. Luckily, we had hourly backups for production.