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Old 20th November 2011
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Default Help....Pengurangan antar row dalam 1 table dalam MySQL, ada yg tau caranya??

Need Help



Misal:

Table Coba dengan kolom



No | Spec | Nilai |

--------------------

1 A 100

2 A 105

3 A 133

4 C 77

5 C 10



Ada yg tau ndak, sintaksnya klo mau proses pengurangan untuk Spec yg sama:



Spec A:

data[1] - data[2]

100 - 105 = 5



Query nya gmn ya gan??? Plz help

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