MySQL Insert values from multiple table in one table in one query?

Question

I am using MySQL database.

Supposedly I have 3 table.

Table A : column ida
Table B : column idb
Table C: column A,B

I want to write a single through which I can insert values from Table A and Table B to Table C ??

Answer 1

It should be something like this

insert into tablec
select a.ida, b.idb
from tablea a
inner join tableb b on -- relation between tablea and tableb

but you'll have to finish inserting the relation between tables.

Answer 2

INSERT INTO C SELECT id1, id2 FROM A, B WHERE ...

我假设C只有两列，它们与表A和B中id1和id2的数据类型相同。我希望你能得到这个想法。