Re: help w/ query
От | Andrew Gould |
---|---|
Тема | Re: help w/ query |
Дата | |
Msg-id | 20011023215102.33475.qmail@web13402.mail.yahoo.com обсуждение исходный текст |
Ответ на | help w/ query ("G.L. Grobe" <gary@grobe.net>) |
Список | pgsql-general |
The relationship between B.id and B.pid is not specific enough to accomplish your goal. You need to modify your data model. Without understanding the purpose your database and the meaning of its fields, it's hard to give more specific guidance. Best of luck, Andrew --- "G.L. Grobe" <gary@grobe.net> wrote: > Anyone help w/ the following sql query ... Here's my > tables ... > > table A > id name > -----|------- > 1000 AA > 1001 AB > 1002 AC > 1003 AD > > table B > id pid > -----|------- > 1000 1000 > 1001 1000 > 1002 1000 > 1003 1001 > 1004 1001 > > Here's my query, (note that 'AA' is all the info I > provide, > cause that's the ) ... > > SELECT B.id FROM B, A WHERE B.pid = A.id AND A.name > = 'AA'; > > Returns the following resultset ... > > id (note, this is from B, but all have pid's of > 1000) > ------ > 1000 > 1001 > 1002 > > When what I really want returned is the 1000 from > B's table > and only that record ... > > id (note, this is what I want from B) > ------ > 1000 > > Any idea how to grab this? > > TIA __________________________________________________ Do You Yahoo!? Make a great connection at Yahoo! Personals. http://personals.yahoo.com
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