Yes! The default isolation level in postgres is READ COMMITTED which is rather weak and allows for the types of concurrency bugs discussed in the article (unles

Yes! The default isolation level in postgres is READ COMMITTED which is rather weak and allows for the types of concurrency bugs discussed in the article (unless you use SELECT FOR UPDATE or some other kind of locking). https://www.postgresql.org/docs/11/transaction-iso.html https://www.postgresql.org/docs/11/transaction-iso.html