select id, customerCode, universityId, createTime, status from b_customer_universities and customerCode = #{customerCode} and universityId = #{universityId} and createTime = #{createTime} and status = #{status} where id = #{id} insert into b_customer_universities customerCode, universityId, createTime, status, #{customerCode}, #{universityId}, #{createTime}, #{status}, update b_customer_universities customerCode = #{customerCode}, universityId = #{universityId}, createTime = #{createTime}, status = #{status}, where id = #{id} delete from b_customer_universities where id = #{id} delete from b_customer_universities where id in #{id}