Stacked Bar Chart Query

Hello everyone,
I need some help on a query for a Stacked Bar Chart.
I copied the following query from the "How To" Pages for a Stacked Bar (HTML DB 2 Day Developer) and adjusted it according to my tables:
SELECT NULL l,
sales_month,
revenue
FROM (
SELECT TO_CHAR(o.order_timestamp,'Mon YYYY') sales_month,
SUM(oi.quantity * oi.unit_price) revenue,
TO_DATE(to_char(o.order_timestamp,'Mon YYYY'),'Mon YYYY') sales_month_order
FROM DEMO_PRODUCT_INFO p,
DEMO_ORDER_ITEMS oi,
DEMO_ORDERS o
WHERE o.order_timestamp <= (trunc(sysdate,'MON')-1)
AND o.order_timestamp > (trunc(sysdate-365,'MON'))
AND o.order_id = oi.order_id
AND oi.product_id = p.product_id
AND p.category = 'Phones'
GROUP BY TO_CHAR(o.order_timestamp,'Mon YYYY')
ORDER BY sales_month_order
The problem now that I have is, that the results are not always correct.
That means, that the numbers for every month that has 31 days is incorrect.
I created a chart for 2005 and the numbers for Jan, March, May, July and so on are wrong. I found out that they always include numbers from the next (first) day of the next month, that means that the January number contains the numbers from the 1st of February, that March number contains the numbers of the 1st of April and so on. The only difference of my query is that I did not use a timestamp but rather a date. Can someone tell me what to do to solve the problem without changing the column to timestamp? I assume it has something to do with rounding up or "truncating" the date!?
I appreciate your help!!

Is there nobody out there, how might give me a hint ?? :-(

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Hi,
during I put a How-To into execution (How To Create a Stacked Bar Chart) I'll get the following error code:
SVG Chart error:ORA-20001:line_Chart error:ORA-20001:
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Regards
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where
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Hi HCMJ,
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Hi HCMJ,
By default, the bar value will not overlapping each other in stacked bar chart, and we cannot increase or decrease the gap between the series in Reporting Services.
Based on my research, I find a workaround can achieve your requirement, please refer to the steps below:
Create a dataset with the query below (sample data):
CREATE TABLE #temp(name nvarchar(50),time nvarchar(50),value int)
INSERT INTO #temp VALUES ('Invoiced','YEAR',100),('Invoiced','MONTH',200),('Budget','MONTH',300),('Budget','YEAR',600)
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Insert value field to Values pane, then change the value to like below:
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Insert another field with the following expression to Values pane:
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Change the type of chart from Stacked Bar Chart to Range Bar Chart.
Right-click the Series field to change the Fill color to #9bff8c00 (DarkOrange with 155 Transparency) or any color with Transparency you like. Now we can get the following:
Preview it and get the following result:
If there are any other questions, please feel free to ask.
Thanks,
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Katherine Xiong
TechNet Community Support

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http://htmldb.oracle.com/pls/otn/f?p=31517:46
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Hi HCMJ,
By default, the bar value will not overlapping each other in stacked bar chart, and we cannot increase or decrease the gap between the series in Reporting Services.
Based on my research, I find a workaround can achieve your requirement, please refer to the steps below:
Create a dataset with the query below (sample data):
CREATE TABLE #temp(name nvarchar(50),time nvarchar(50),value int)
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Insert time field to Category Groups pane, and change the group name to “time”.
Insert value field to Values pane, then change the value to like below:
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Insert another field with the following expression to Values pane:
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Change the type of chart from Stacked Bar Chart to Range Bar Chart.
Right-click the Series field to change the Fill color to #9bff8c00 (DarkOrange with 155 Transparency) or any color with Transparency you like. Now we can get the following:
Preview it and get the following result:
If there are any other questions, please feel free to ask.
Thanks,
Katherine Xiong
Katherine Xiong
TechNet Community Support

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BAM-Stacked bar chart

hi,
how to set Stacked bar chart horizontally instead of vertically(by default).

Hi HCMJ,
By default, the bar value will not overlapping each other in stacked bar chart, and we cannot increase or decrease the gap between the series in Reporting Services.
Based on my research, I find a workaround can achieve your requirement, please refer to the steps below:
Create a dataset with the query below (sample data):
CREATE TABLE #temp(name nvarchar(50),time nvarchar(50),value int)
INSERT INTO #temp VALUES ('Invoiced','YEAR',100),('Invoiced','MONTH',200),('Budget','MONTH',300),('Budget','YEAR',600)
SELECT * FROM #temp
Insert time field to Category Groups pane, and change the group name to “time”.
Insert value field to Values pane, then change the value to like below:
=min(Fields!value.Value,"time")
Insert another field with the following expression to Values pane:
=max(Fields!value.Value,"time")
Change the type of chart from Stacked Bar Chart to Range Bar Chart.
Right-click the Series field to change the Fill color to #9bff8c00 (DarkOrange with 155 Transparency) or any color with Transparency you like. Now we can get the following:
Preview it and get the following result:
If there are any other questions, please feel free to ask.
Thanks,
Katherine Xiong
Katherine Xiong
TechNet Community Support

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thanks for any help or suggestion!!!

Ok, figured out a workaround based on my rusted SQL memories (its probably not the most efficient way to go), made a view like this:
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How do you create a stacked bar chart in Visual Composer?
I have a query with one keyfigure (amount) and drilldowns on Sales Org and Invoice Type. In my chart I want a bar for each Sales Org, and each bar should be divided in sections according to Invoice Type in one single stack. How can I create that?

Hi
Are you using BI query? If yes then follow the steps -
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