If I'm reading this correctly, a self-join might
work if you have a primary key defined:
select
t1.a as a1
,t1.b as b1
,t1.c as c1
,t2.a as d1
from
thetable as t1
,thetable as t2
where
t2.primaryid = t1.primaryid+1
John
David L. Van Brunt, Ph.D. wrote:
I have a table of data...
A1 B1 C1
A2 B2 C2
And I¹d like to make a query where I ³lag² a value, grabbing a value from
the next row of the table. Most stat packages have a lag function, but I
can¹t find this in MySQL. The end result would look like:
A1 B1 C1 D1 (where ³D1² would equal A2 from above)
Any suggestions?
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