Insert record from one table to another table by using select statement

Question

here i am trying to insert patient_id and nurse_id which are from two different tables.

insert into nurse_take_care(patient_id,nurse_id) values (patient_id(select MAX(p_id) from patient;), nurse_id(Select n_id from nurse order by Rand() limit 1;))

is this the right way to do??

Answer 1

The query would be like:

insert into nurse_take_care(patient_id,nurse_id) values 
(select MAX(p_id) from patient limit 1, Select n_id from nurse order by Rand() limit 1);

Answer 2

Try something like this:

INSERT INTO nurse_take_care (patient_id, nurse_id)
SELECT ( SELECT MAX(p_id) FROM patient ),
       ( SELECT n_id FROM nurse ORDER BY RAND() LIMIT 1 )

Answer 3

请尝试这个
insert into nurse_take_care(patient_id,nurse_id) SELECT (select MAX(p_id) from patient) as p_id, (select n_id from nurse order by Rand() limit 1) as n_id