Question

Assign alias to calculated column

Asked by: skahlert2010

Hello experts and interested. I have the following query, which produces one output column. Unfortunately the name of that column is the entire calculation as seen in the code. I need to give an alias to that query as i need to use the calculated column in a following query. My problem is, that none of my attemps to declare this column as alias "col1" worked. Besides I receive an ORA 01427 error (subquery returns mor than one row).

Can you help me please?

Greetings,

Freezer

select col1 FROM (SELECT  
(select (NVL(sum((t.int_bhd/100-(t.int_hoehe/200)/100)/2 * (t.int_bhd/100-(t.int_hoehe/200)/100)/2 * 3.14 * t.int_hoehe/100)* 10000 / (SELECT 
(P.INT_RADIUS_TOTHOLZ_SUB*P.INT_RADIUS_TOTHOLZ_SUB*25*3.14)*(select count(INV_PT_ID_SUB) from vt_punktdaten_join where cnt_gebiet = :p430_cnt_GEBIET
and int_status_sub = 3 and (str_lrt_main = :p430_str_lrt) and int_be_main = :p430_be)
FROM VT_PUNKTDATEN_JOIN P
WHERE 
(P.CNT_GEBIET=:P430_cnt_GEBIET 
AND P.INT_STATUS_SUB=3
and P.STR_LRT_MAIN = :p430_str_lrt and int_be_main = :p430_be)
GROUP BY P.INT_RADIUS_TOTHOLZ_SUB),0)) + 
(NVL(sum(t.int_mittendurchmesser/200 * t.int_mittendurchmesser/200 * 3.14 * t.int_laenge/100) * 10000 / (SELECT 
(P.INT_RADIUS_TOTHOLZ_SUB*P.INT_RADIUS_TOTHOLZ_SUB*25*3.14)*(select count(INV_PT_ID_SUB) from vt_punktdaten_join where cnt_gebiet = :p430_cnt_GEBIET
and int_status_sub = 3 and (str_lrt_main = :p430_str_lrt) and int_be_main = :p430_be)
FROM VT_PUNKTDATEN_JOIN P
WHERE 
(P.CNT_GEBIET=:P430_cnt_GEBIET 
AND P.INT_STATUS_SUB=3
and P.STR_LRT_MAIN = :p430_str_lrt and int_be_main = :p430_be)
GROUP BY P.INT_RADIUS_TOTHOLZ_SUB),0))
from 
VT_TBL_TOTHOLZ t,
VT_PUNKTDATEN_JOIN P
where 
(P.CNT_GEBIET = :P430_cnt_GEBIET)
and (LNG_BAUMARTENGRUPPE > 0)
and (t.LNG_INV_PT_ID = P.INV_PT_ID_SUB)
and (P.STR_LRT_MAIN = :P430_STR_LRT)
and (P.INT_STATUS_SUB = 3)
and (int_be_main = :p430_be)
group by 
P.STR_LRT_MAIN,
LNG_BAUMARTENGRUPPE)col1 from dual)

                                  
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Asked On
2009-11-06 at 04:48:51ID24877669
Tags

Oracle

,

SQL

,

Oracle SCM

Topics

Enterprise Software

,

SQL Query Syntax

,

Oracle 10.x

Participating Experts
2
Points
500
Comments
4

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Answers

 

by: andycroftsPosted on 2009-11-06 at 04:53:03ID: 25758656

as [My column name]





~

 

by: angelIIIPosted on 2009-11-06 at 04:55:55ID: 25758665

please try this:

SELECT  
  (select (NVL(sum((t.int_bhd/100-(t.int_hoehe/200)/100)/2 * (t.int_bhd/100-(t.int_hoehe/200)/100)/2 * 3.14 * t.int_hoehe/100)* 10000 / (SELECT
(P.INT_RADIUS_TOTHOLZ_SUB*P.INT_RADIUS_TOTHOLZ_SUB*25*3.14)*(select count(INV_PT_ID_SUB) from vt_punktdaten_join where cnt_gebiet = :p430_cnt_GEBIET
and int_status_sub = 3 and (str_lrt_main = :p430_str_lrt) and int_be_main = :p430_be)
FROM VT_PUNKTDATEN_JOIN P
WHERE
(P.CNT_GEBIET=:P430_cnt_GEBIET
AND P.INT_STATUS_SUB=3
and P.STR_LRT_MAIN = :p430_str_lrt and int_be_main = :p430_be)
GROUP BY P.INT_RADIUS_TOTHOLZ_SUB),0)) +
(NVL(sum(t.int_mittendurchmesser/200 * t.int_mittendurchmesser/200 * 3.14 * t.int_laenge/100) * 10000 / (SELECT
(P.INT_RADIUS_TOTHOLZ_SUB*P.INT_RADIUS_TOTHOLZ_SUB*25*3.14)*(select count(INV_PT_ID_SUB) from vt_punktdaten_join where cnt_gebiet = :p430_cnt_GEBIET
and int_status_sub = 3 and (str_lrt_main = :p430_str_lrt) and int_be_main = :p430_be)
FROM VT_PUNKTDATEN_JOIN P
WHERE
(P.CNT_GEBIET=:P430_cnt_GEBIET
AND P.INT_STATUS_SUB=3
and P.STR_LRT_MAIN = :p430_str_lrt and int_be_main = :p430_be)
GROUP BY P.INT_RADIUS_TOTHOLZ_SUB),0)) as col1
from
VT_TBL_TOTHOLZ t,
VT_PUNKTDATEN_JOIN P
where
(P.CNT_GEBIET = :P430_cnt_GEBIET)
and (LNG_BAUMARTENGRUPPE > 0)
and (t.LNG_INV_PT_ID = P.INV_PT_ID_SUB)
and (P.STR_LRT_MAIN = :P430_STR_LRT)
and (P.INT_STATUS_SUB = 3)
and (int_be_main = :p430_be)
group by
P.STR_LRT_MAIN,
LNG_BAUMARTENGRUPPE

 

by: andycroftsPosted on 2009-11-06 at 04:58:38ID: 25758682

sorry my code snippet did not post. It was (honest) as above but as [My column name] instead of as col1

 

by: skahlert2010Posted on 2009-11-09 at 00:21:48ID: 31651006

Thanks guys for your splendid help! I was banned from the internet this weekend due to private issues. I hope you don't mind my late reply! angelIII's reply was almost complete. Just some brackets that were missing. But appart from that it was perfect. When I read it, I knew immediately what I did wrong. Guess I just wrote too many statements that day and lost focus.

Best regards and thanks to both of you!

Freezer2010

20120131-EE-VQP-002

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