a.id AS "id",
a.title AS "title",
a.overview AS "overview",
a.content AS "content"
INSERT INTO iim_mail(
id,
title,
overview,
content
) VALUES (
#{id},
#{title},
#{overview},
#{content}
)
UPDATE iim_mail SET
title = #{title},
overview = #{overview},
content = #{content}
WHERE id = #{id}
DELETE FROM iim_mail
WHERE id = #{id}