Cho R (ABCDEG), F={A->C, B->DE, D->E, A->ED, AB->G}. Hãy tìm 1 khóa tối thiểu của R?

Melissa needs to add a topic to an email that she will send to her teacher. choose the name of the field where she should type her topic.

Your friend kayla is starting her own business and asks you whether she should set it up as a p2p network or as a client-server network. list three questions you might ask to kayla decide which network to use and how her answers to those questions would affect your recommendation.

Leo is a recruitment executive for a large company. he has identified new labor resource requirements in both the marketing and production departments. what should be his first step in recruiting candidates for the positions? a. conduct background checks of candidates b. make job offers c. arrange interviews d. conduct reference checks e. place job ads on job sites