INSERT INTO mtd (mid, des_mat, grp, unt, uprc, btpe, mtpe, stpe)
VALUES (#{mid}, #{desMat}, #{grp}, #{unt}, #{uprc}, #{btpe}, #{mtpe}, #{stpe})
UPDATE mtd
SET mid = #{mid},
des_mat = #{desMat},
grp = #{grp},
unt = #{unt},
uprc = #{uprc},
btpe = #{btpe},
mtpe = #{mtpe},
stpe = #{stpe}
WHERE id = #{id}
DELETE FROM mtd WHERE id = #{id}
DELETE FROM mtd WHERE id IN
#{id}