SQL how to compare two columns from two different tables

Question

I have two tables, in which table 1 contains 4 columns while table 2 contains 8 columns. I have two columns in table1 that I want to compare them with two columns in table2.

Answer 1

SELECT *  FROM table1 t1
RIGHT JOIN table2 t2
WHERE
t1.c1 = t2.c6 AND
t1.c2 = t2.c7