怎样的语句有什么不对?
SELECT ndbf22COPY TO ykgl\yktemp\nYklh221
SELECT 0
USE nYklh221.dbf EXCLUSIVE
INDEX ON ubh+ubh2+ubh3 TAG umc ADDITIVE
SET ORDER TO umc
GO TOP
TOTAL ON umc TO ykgl\yktemp\nYklh221tj.dbf FIEL sl_c,je_inc,je_outc
USE nYklh221tj.dbf EXCLUSIVE
运行后总是出错,说:找不到变量'umc',请问师傅,错在哪里???
附图: