Calculate Difference?

Dec 30, 2003

I am having trouble creating a sp for the following situation:

The database contains a record of the mileage of trucks in the fleet. At the end of every month, a snapshot is collected of the odometer. The data looks like this:


Truck Period Reading
1 1/31/03 55102
2 1/31/03 22852
1 2/28/03 62148
2 2/28/03 32108
1 3/31/03 69806
2 3/31/03 52763

How can I calculate the actually miles traveled during the month in a query?

TIA,

Rob

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I was thinking something like


Code:

Update #ClaimMaster
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Does that make any sense?

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Hi,

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  2015-05-29 7:10:00      AOOze            pqy
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  2015-05-29 7:35:00      AOOze            stop

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For example:

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1                 2015-05-29 7:05:00      2015-05-29 7:35:00   30
2                 2015-05-29 7:30:00      2015-05-29 7:45:00   15

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id INT
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,end_date INT
)
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CREATE TABLE Table1
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;
INSERT INTO Table1
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VALUES
('AAA-111', NULL, 'USER1', '2015-06-15 00:21:06', 0),
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[code]....

Basically I want to calculate the time spent by S_Users on a particular S_ACTV_CODE:

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- S_START_TIME is the time of S_DATETIME when a S_ACTV_CODE starts

- S_END_TIME is the time before a S_ACTV_CODE changes to another S_ACTV_CODE

- For the first record, S_ACTV_CODE is null, so there is no S_ACTV_CODE_PREV, so S_ACTV_CODE_PREV is NULL

- For the second record S_ACTV_CODE has some value, but S_ACTV_CODE_PREV is NULL for first record. So second record S_ACTV_CODE_PREV is also NULL

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AAA-111 NULL NULL USER1 2015-06-15 00:21:06
2015-06-15 00:21:07 1
AAA-111 NULL 2 USER1 2015-06-15 00:21:07
2015-06-17 03:20:33 183566
AAA-111 2 4 USER2 2015-06-17 03:20:33

[code]....

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BEGIN
declare @i int
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08/27/15CA 19,952
09/11/15CA 26,336
10/02/15CA 35,444
10/08/15CA 38,278
08/27/15CO2797
09/11/15CO3264
10/02/15CO4270
10/08/15CO4297

below is what I am trying to achieve:

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08/27/15CA 19,952 0
09/11/15CA 26,336 6,384
10/02/15CA 35,444 9,108
10/08/15CA 38,278 2,834
08/27/15CO27970
09/11/15CO3264467
10/02/15CO42701,006
10/08/15CO429727

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MRR_TOTALS_WEEK_OVER_WEEK AS
(
SELECT
T1.[Date]
,T1.States
,T2.Total_Completed
,ROW_NUMBER() OVER(PARTITION BY T1.States ORDER BY T1.States,T1.[Date]) AS ORDERING
FROM TOTAL_CHARTS T1
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)

[code].....

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Regions
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Workbooks Returned
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B
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