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YTD concept

Author

Topic

sent_sara
Constraint Violating Yak Guru

377 Posts

Posted - 2008-04-15 : 03:50:18

Hi Friends,
Can anybody help in introducing the YTD Concept:

My Table[ Monthly_Highlights_tb ] schema should contain like below:
[Month] [Base_Amount] [YTD]
APR-07 1000.00 1500.00
APR-07 500.00 1500.00
MAY-07 2000.00 3500.00
jUN-07 5000.00 8500.00

WHEN I run the below query:

UPDATE t
SET t.ytd = (SELECT SUM(q.base_amount) FROM Monthly_Highlights_tb q WHERE q.[month] = t.[month] AND q.[month] <= t.[month])
FROM Monthly_Highlights_tb t

output is coming as:
[Month] [Base_Amount] [YTD]
APR-07 1000.00 1500.00
APR-07 500.00 1500.00
MAY-07 2000.00 2000.00
jUN-07 5000.00 5000.00

cAN anybody correct the query?

SwePeso
Patron Saint of Lost Yaks

30421 Posts

Posted - 2008-04-15 : 03:57:03

As said to you many many times before, ALWAYS USE PROPER DATAYPES!
We have also repeatedly asked you to supply sample data in proper format!

-- Prepare sample data
DECLARE	@Sample	TABLE ([Month] CHAR(6), Base_Amount MONEY, YTD MONEY)

INSERT	@Sample
	(
		[Month],
		Base_Amount
	)
SELECT	'APR-07', 1000.00 UNION ALL
SELECT	'APR-07',  500.00 UNION ALL
SELECT	'MAY-07', 2000.00 UNION ALL
SELECT	'JUN-07', 5000.00

-- Do the running total update
UPDATE	t
SET	t.ytd = (SELECT SUM(q.Base_Amount) FROM @Sample AS q WHERE CAST('1-' + q.[Month] AS DATETIME) <= CAST('1-' + t.[Month] AS DATETIME))
FROM	@Sample AS t

-- Show the result
SELECT	*
FROM	@Sample

E 12°55'05.25"
N 56°04'39.16"

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