naco je dobre mat 2 a viac rovnakych riadkov v 1 tabulke?
skusal si tento insert? neviem co to bude robit s rovnakymi tabulkami, ale mozes vyskusat:
INSERT INTO phone_book2 ( [name], [phoneNumber] )
SELECT [name], [phoneNumber]
FROM phone_book
WHERE name IN ('John Doe', 'Peter Doe')