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Data Bases > Oracle Server > Re: Shorten Que...
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Re: Shorten Query

by Urs Metzger <urs@[EMAIL PROTECTED] > Apr 29, 2008 at 07:49 PM

Mtek schrieb:
> Hi,
> 
> Please look at this query.  notice that most of the criteria is the
> same, except for 1 line.  I need to get the count for 10 items.  Is
> there a better way to do this so I do not have to repeat the criteria
> for each item I want to return?
> 
> I realize that one line of the criteria is different, but I am hoping
> to not have to repeat the other criteria.....
> 
> SELECT a.q1, b.q2
> FROM (SELECT count(*) q1
>       FROM vinst vi, vhold vh, master_table mt, stock_data sd, prices
> p
>       WHERE vi.inst_num = vh.inst_num
>         AND vh.ticker = mt.ticker
>         AND mt.m_ticker = sd.m_ticker
>         AND mt.m_ticker = p.m_ticker
>         AND q1_shares = 0) a,
>      (SELECT count(*) q2
>       FROM vinst vi, vhold vh, master_table mt, stock_data sd, prices
> p
>       WHERE vi.inst_num = vh.inst_num
>         AND vh.ticker = mt.ticker
>         AND mt.m_ticker = sd.m_ticker
>         AND mt.m_ticker = p.m_ticker
>         AND q0_shares = 0) b;
> 
> Thank you much,
> 
> John
> 
SELECT SUM(DECODE(q1_shares, 0, 1, 0) as q1, SUM(DECODE(q0_shares, 0, 1, 
0) as q2
   FROM vinst vi, vhold vh, master_table mt, stock_data sd, prices p
   WHERE vi.inst_num = vh.inst_num
     AND vh.ticker = mt.ticker
     AND mt.m_ticker = sd.m_ticker
     AND mt.m_ticker = p.m_ticker
     AND q0_shares = 0

hth,
Urs Metzger
 




 6 Posts in Topic:
Shorten Query
Mtek <mtek@[EMAIL PROT  2008-04-29 09:02:27 
Re: Shorten Query
Urs Metzger <urs@[EMAI  2008-04-29 19:49:50 
Re: Shorten Query
Urs Metzger <urs@[EMAI  2008-04-29 19:51:46 
Re: Shorten Query
Mtek <mtek@[EMAIL PROT  2008-04-29 11:32:23 
Re: Shorten Query
Urs Metzger <urs@[EMAI  2008-04-29 21:07:37 
Re: Shorten Query
Mtek <mtek@[EMAIL PROT  2008-04-29 12:10:04 

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