insert into t_customer( customer_name, customer_age, customer_gender, customer_address, customer_tel ) values ( #{customerName}, #{customerAge}, #{customerGender}, #{customerAddress}, #{customerTel} ) update t_customer set customer_name=#{customerName}, customer_age=#{customerAge}, customer_gender=#{customerGender}, customer_address=#{customerAddress}, customer_tel=#{customerTel} where customer_id=#{customerId} delete from t_customer where customer_id=#{customerId} select * from t_customer and customer_id=#{customerId} and customer_name like concat('%',#{customerName},'%') select * from t_customer where customer_id=#{customerId}