SQL
UPDATE myfile SET fielda = 'Y'
DELETE FROM myfile WHERE field1 = '88'
FTP
PUT fromlibrary/fromsrcfile.pgmname tolibrary/tosrcfile.pgmname
PUT fromlibrary/fromfile tolibrary/tofile
GET fromlibrary/fromsrcfile.pgmname tolibrary/tosrcfile.pgmname
GET fromlibrary/fromfile tolibrary/tofile