ID, PHONE, CODE, ACCESS_TIME #{id}, #{phone}, #{code}, #{accessTime} and PHONE = #{phone} and CODE = #{code} and ACCESS_TIME = #{accessTime} select from dd_message where ID = #{id} select from dd_message and select from dd_message select from dd_message ORDER BY ACCESS_TIME DESC select count(ID) from dd_message insert into dd_message( ) values ( ) delete from dd_message where ID = #{id} delete from dd_message update dd_message set flag_valid = 0 where ID = #{id} update dd_message PHONE = #{phone}, CODE = #{code}, ACCESS_TIME = #{accessTime}, ID = #{id} update dd_message PHONE = #{phone}, CODE = #{code}, ACCESS_TIME = #{accessTime},