On Tue, 28 Sep 2021, 17:52 Rick Hillegas, <rick.hille...@gmail.com> wrote:

> Glad that you have made progress on this puzzle. One comment inline...
> On 9/28/21 4:10 AM, John English wrote:
> > The WHERE clause seems to prevent the index from being used.
> The index is not usable in this query because username is not the
> leading column in the index.

Ah, right.


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