https://padlet.com/tinhoc12/cauhoi1 Giáo viên: Dương Đình Dẫn en-us 2014-10-05 15:06:56 UTC 2026-03-26 09:10:35 UTC hello@padlet.com http://d262le4z25sx36.cloudfront.net/portraits/sticky.jpg tinhoc12 https://padlet.com/tinhoc12/cauhoi1/wish/36188749 Em hãy cho biết mục đích của việc tạo liên kết giữa các bảng là gì?

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