My requirement is to
Open dataset ->Files in application server
/usertmp/file.txt
Table 1 has 5 fields and table2 has 2 fields
Map the two fields in the file to internal table
Delete the entire existing table content if the records are present in file then
Insert the values into table as per file
->the value of source field wpin of table 1 will be updated to npin of dtab
->the value of source field uin will be updated in ic field of dtab.
