OK.
If you benchmark that correctly,
then it seems that adding some redundant search can get the query faster in some special cases.
And without further info, I can not see any reason.
2015-08-14 14:35 GMT+09:00 Robert Campbell <robcampbell73@xxxxxxxxx>:
Vacancy ID is a primary key.It does return records but not quite as fast as original query, about 200ms slowerHi,My mistake, didnt apply the sub query properly the first time.On Fri, Aug 14, 2015 at 3:10 PM, 林士博 <lin@xxxxxxxxxxxx> wrote:Is the "Vacancy"."ID" a primary key?Or is unique in Vacancy table?
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