Fan bobi – 10; Fan bo‘limi – 3; Qiyinchilik darajasi – 3
Munosabatlarni bo‘lish, nimani ifodalaydi?
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bo‘linuvchi munosabat A(x,z) ustidan bo‘luvchi munosabat V(z) bajaradigan, relyatsion algebraning maxsus amali
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Fan bobi – 10; Fan bo‘limi – 3; Qiyinchilik darajasi – 3
Munosabatni kengaytirish, nimani ifodalaydi?
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berilganlarning relyatsion modelidagi munosabatga yangi alomat (atribut)larni qo‘shish
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Fan bobi – 9; Fan bo‘limi – 3; Qiyinchilik darajasi – 3
Do'stlaringiz bilan baham: |