INSERT INTO merchant (username, password, store_name, address, phone, email, manager_name, avatar) VALUES (#{username}, #{password}, #{storeName}, #{address}, #{phone}, #{email}, #{managerName}, #{avatar}) SELECT * FROM merchant WHERE id = #{id} SELECT * FROM merchant WHERE username = #{username} UPDATE merchant store_name = #{storeName}, address = #{address}, phone = #{phone}, email = #{email}, manager_name = #{managerName}, avatar = #{avatar}, WHERE id = #{id}