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Old November 17th, 2013, 11:57 PM
Harish@dts Harish@dts is offline
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How to select second row column data in first row and to find diff

Hi I have a requirement like below can any one help for me.
input table will be like below:
eventdata:
accountID deviceID timestamp speedKPH address
--------- -------- ---------- -------- -------------
preva1 bolero 1359089006 15 Ullalu Road
preva1 bolero 1359088796 0 Ullalu Road
preva1 bolero 1359088886 0 Ullalu Road
preva1 bolero 1359088888 8.47 Ullalu Road
preva1 bolero 1359088986 0 Ullalu Road
preva1 bolero 1359088988 45 Ullalu Road
preva1 bolero 1359088996 21 Ullalu Road
preva1 bolero 1359088998 0 Ullalu Road
preva1 bolero 1359089006 15 Ullalu Road
preva1 bolero 1359089009 12 Ullalu Road
preva1 bolero 1359089006 15 Ullalu Road
preva1 bolero 1359089016 0 Ullalu Road
preva1 bolero 1359089026 0 Ullalu Road
So here i need output table like below:
stoppagedetails:
accountID deviceID from_timestamp to_timestamp diff
--------- -------- ---------- -------- -------------
preva1 bolero 1359088796 1359088888 92
preva1 bolero 1359088986 1359088988 2
preva1 bolero 1359088998 1359089006 8
preva1 bolero 1359089016

So can any one help how to write mysql query for the above requirement.Thanks in advance..

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