Re: Basic Query Question
От | Jude Lucien |
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Тема | Re: Basic Query Question |
Дата | |
Msg-id | CAPRXF2oTY5uuYFrSMznEZaPxmOEWe8D_t-xVQ3oS1iP22tiRzA@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Basic Query Question (Bret Fledderjohn <freelancer317@gmail.com>) |
Ответы |
What is faster?
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Список | pgsql-novice |
Thanks all, I have my one query all figured out. I was struggling, I appreciate your help! On 8 December 2011 03:44, Bret Fledderjohn <freelancer317@gmail.com> wrote: > > > On 7 December 2011 16:58, Jude Lucien <jlucien@gmail.com> wrote: >> >> This is it. There are other instances of bike_id in the booking >> database that have different booking dates. >> >> I can find bike_id's that match my specified booking date, but then I >> need to run a second query to find the bike_id's that are not booked >> on that date. >> >> Is there any way to join the two queries into one? > > > UNION[ALL] See this > http://www.postgresql.org/docs/9.0/interactive/queries-union.html > >> >> Thanks for all the help so far. > > > - Bret > ____________________________________________ > "Why should I fret in microcosmic bonds > That chafe the spirit, and the mind repress, > When through the clouds gleam beckoning beyonds > Where shining vistas mock man's littleness?" > - H.P. Lovecraft, "Phaeton" (1918) -- "None are more hopelessly enslaved than those who falsely believe they are free" -- Johann Wolfgang von Goethe
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