TABLE 2 Row Numbers for Rows in T1 (Three-Column Version)
c1 c2 c3 rownum
A 0 10.00 1
A 0 10.00 2
A 0 20.00 3
A 1 10.00 4
B 0 10.00 5
B 0 10.00 6
B 1 10.00 7
B 1 20.00 8
B 1 30.00 9
C 0 10.00 10
C 0 10.00 11
C 1 10.00 12