Re Creating a chart getting an error with a 'Union All' statement

Question

Hi
I have some data to chart with the following fields;
Product , Jul-08 , Aug-08, Sep-08 etc ...... to Jan-10.
The PRODUCT field is text showing the numerous Product Names
The Jul-08 & other month fields have numbers per product that is to be aggregated for that month & plotted on the line graph.
My SQL to create the first point on the chart is as below;
select null link, PRODUCT label, SUM(JUL-08) "FFF"
from "SCHEMANAME"."TABLENAME"
WHERE PRODUCT = 'FFF'
GROUP by PRODUCT
ORDER BY PRODUCT
This works fine until I want add the second point of this line graph using a 'union all' join as follows;
select null link, PRODUCT label, SUM(JUL_08) "FFF"
from "SCHEMANAME"."TABLENAME"
WHERE PRODUCT = 'FFF'
UNION ALL
select null link, PRODUCT label, SUM(AUG_08) "FFF"
from "SCHEMANAME"."TABLENAME"
WHERE PRODUCT = 'FFF'
I can't work out how I can join the other months on the line graph in one series.
The error is as follows;
1 error has occurred
Failed to parse SQL query:
select null link, PRODUCT label, SUM(OCT_09) "NCDS - STD" from "BI_A_DATA"."CDW_VS_NCDS_CALLS" WHERE PRODUCT = 'NCDS - STD' UNION ALL select null link, PRODUCT label, SUM(NOV_09) "NCDS - LOCAL" from "BI_A_DATA"."CDW_VS_NCDS_CALLS" WHERE PRODUCT = 'NCDS - LOCAL'
ORA-00937: not a single-group group function
Certain queries can only be executed when running your application, if your query appears syntactically correct, you can save your query without validation (see options below query source).
Can anyone assist?
I want a continuous Line Graph that shows all the months from Jul-08 , Aug-08, Sep-08 etc ...... to Jan-10 for the same product.
I will then add other series for the other products, Thanks

Answer 1

OK, I thought each month would be separated by the different months in each selct subquery, but I see what you mean.
I'm creating a line graph for various PRODUCTS that has a numeric value for each month, from JUL_08 ..... for a number of months.
I want a LINE graph that shows the different totals each month for that PRODUCT.
The error advises that there are more values in the SELECT statement than the expected and to use Use the following syntax:
SELECT LINK, LABEL, VALUE
FROM ...
I then went on to use the '[ ]' brackets to separate data but this didn't fix the problem.
I've changed the script to suit as per your 'PERIOD' addition but now have the error as per below;
error script
1 error has occurred
Invalid chart query: SELECT null link, PRODUCT label, PERIOD, SUM(ABC) FROM (SELECT null link, PRODUCT, 'JUL_08' PERIOD,SUM(JUL_08)ABC FROM BI_A_DATA.APEX_TEST WHERE PRODUCT = 'ABC' GROUP BY PRODUCT UNION ALL SELECT null link, PRODUCT, 'AUG_08' PERIOD,SUM(AUG_08)ABC FROM BI_A_DATA.APEX_TEST WHERE PRODUCT = 'ABC' GROUP BY PRODUCT UNION ALL SELECT null link, PRODUCT, 'SEP_08' PERIOD,SUM(SEP_08)ABC FROM BI_A_DATA.APEX_TEST WHERE PRODUCT = 'ABC' GROUP BY PRODUCT) GROUP BY link, PRODUCT, PERIOD
Use the following syntax:
SELECT LINK, LABEL, VALUE
FROM ...
Or use the following syntax for a query returning multiple series:
SELECT LINK, LABEL, VALUE1 [, VALUE2 [, VALUE3...]]
FROM ...
LINK URL
LABEL Text that displays along a chart axis.
VALUE1, VALUE2, VALUE3... Numeric columns that define the data values.
Note: The series names for Column and Line charts are derived from the column aliases used in the query.
My script amended;
SELECT null link, PRODUCT label, PERIOD, SUM(ABC)
FROM
(SELECT null link, PRODUCT, 'JUL_08' PERIOD,SUM(JUL_08)ABC
FROM BI_A_DATA.APEX_TEST
WHERE PRODUCT = 'ABC'
GROUP BY PRODUCT
UNION ALL
SELECT null link, PRODUCT, 'AUG_08' PERIOD,SUM(AUG_08)ABC
FROM BI_A_DATA.APEX_TEST
WHERE PRODUCT = 'ABC'
GROUP BY PRODUCT
UNION ALL
SELECT null link, PRODUCT, 'SEP_08' PERIOD,SUM(SEP_08)ABC
FROM BI_A_DATA.APEX_TEST
WHERE PRODUCT = 'ABC'
GROUP BY PRODUCT)
GROUP BY link, PRODUCT, PERIOD