Why are these days gone? Just a few weeks ago, I set up a read-only user for myself, and moved all modify permission to role one must explicitly assume. Really

Why are these days gone? Just a few weeks ago, I set up a read-only user for myself, and moved all modify permission to role one must explicitly assume. Really helped me with peace of mind while developing the simple scripts that access data read only. This was on our managed AWS RDS database,