Question

I understand that what I am asking for may not make a lot of sense, but I none the less have a particular need for it. I have a table that has 500 rows in it. I have another table that has 500 more rows, that I need to merge into the first table. The easiest way I know how to do that is to add 500 rows to the first table, and then use an update statement because then I have a primary key to use to pair the first and second tables.

So how can I add 500 blank rows to my first table? I’ve been trying to think of a query that would do that, but haven’t been able to come up with anything…

Answer 1

You can insert to one table from another table:

INSERT INTO suppliers (supplier_id, supplier_name)
SELECT account_no, name
FROM customers
WHERE city = 'Newark';