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. >
