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(Hindi) Normalization for NTA-UGC NET Computer science

12 lessons,

2h 18m

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Varsha Agarwal is teaching live on Unacademy Plus

UGC NET QUALIFIED |🌟 verified plus educator | winner of Hidden gems award in DEC 2018| n educator of the week award |7 Years of Teaching Exp

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(6)

Unacademy user

NWFP- North West Frontier of Punjab

Maam u said duplicacy is not allowed in foreign key but it is wrriten in slide duplicacy allowed which one is correct?

7 months ago

duplicacy is allowed in foreign key just listin the example in this slides . i give brief explanation.

mam what is the difference between alternet key and secondary key..??

9 months ago

Alternate Key and secondary key is same. No difference

9 months ago

thank u mam.

mam what is the difference between alternet key and secondary key..??

mam what is the difference between alternet key and secondary key..??

thanku nycely explained by you