Crowdly

Add to Chrome

Soient les tables T( A ,#B) et S( B , C). Quelle affirmation ci-dessous est vrai...

✅ The verified answer to this question is available below. Our community-reviewed solutions help you understand the material better.

Soient les tables T(A,#B) et S(B, C). Quelle affirmation ci-dessous est vraie ?

"T natual join S" peut être vide

0%

Le schéma de "T join S on T.B = S.B" est le même que celui de "T natural join S"

100%

"T join S on T.B = S.B" contient autant de tuples(enregistrements) que "T natural join S"

0%

"T join S on T.B = S.B" peut contenir plus de tuples que T

0%

More questions like this

Want instant access to all verified answers on moodle.myefrei.fr?

Get Unlimited Answers To Exam Questions - Install Crowdly Extension Now!

Add to Chrome

Telegram Instagram TikTok Question Bank

Terms of Use Contact Us