I have this Table/Query :
Item-----number
a----------1
b----------3
c----------6
d----------7
How I can make the following query?
Item-----number-----sum
a----------1 ---------1
b----------3----------4(1+3)
c----------6----------10(1+3+6)
d----------7----------17(1+3+6+7)
Item-----number
a----------1
b----------3
c----------6
d----------7
How I can make the following query?
Item-----number-----sum
a----------1 ---------1
b----------3----------4(1+3)
c----------6----------10(1+3+6)
d----------7----------17(1+3+6+7)