Chapter 14 Fear of the Unknown
SQL Antipatterns — by Bill Karwin (84 / 164)
As we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns — the ones we don’t know we don’t know.
In our example bugs database, the Accounts table has columns first_name and last_name. You…