Check out example codes for "insert into select". It will help you in understanding the concepts better.
Code Example 1
INSERT INTO table2 (column1, column2, column3, ...)
SELECT column1, column2, column3, ...
FROM table1
WHERE condition;
Code Example 2
INSERT INTO table2 (column1, column2, column3, ...)
SELECT column1, column2, column3, ...
FROM table1
WHERE condition;
Code Example 3
INSERT INTO table2
SELECT * FROM table1
WHERE condition;
Code Example 4
INSERT INTO table2
SELECT * FROM table1
WHERE condition;
Code Example 5
INSERT INTO table2 (column1, column2, column3, ...)
SELECT column1, column2, column3, ...
FROM table1
WHERE condition;
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