i m comparing these two fields
w_lifnr_aval GT c_9000000000.
LIKE lfa1-lifnr, "account no of vendor
TYPE c VALUE '9000000000',"high range
i m getting following warning--
Greater than/less than comparisons with character type operands may not be portable
i have also changed type of C_900000000000 to LIKE lfa1-lifnr