What are the answers for all of number 3 please? Thank you in advance (B) Consid

Question

What are the answers for all of number 3 please? Thank you in advance

(B) Consider the following schema PLAYER PlaycrID anc Birth dt Draft year TEAM TeanID CityNaneDIV ID Chaapionships 1204 Chris Paul 1392 Dere: Fisheru, 1974 1590Josh Saith Dec, 1985 1597 Tyson Chandler Oct, 1982 2005 1996 2004 2001 Tay, 1985 5 LA 11 Houston Rockets 23 Dallas Navericks Clippers PLAYER TEAM PlayeriDTeD Start date Enddate No of_saaes 1204 1597 1590 1597 2011 2010 2014 2014 null 2011 null nul1 234 23 126 23 28 PlayerlD is a key for Player (P) TeamlD is key for Team (T) .(PlayerlD, TeamlD) is a composite key for Player_Team (PT) Show the results of the following Relational Algebra expressions (20 points) (i) P.name. T.name (PXT 1PT) (ii) P.name (P PTpq city-"Dallas" or city-.'Houston" T) (iii) (PP (1 playerid1, 2 draftyearl, 3 playerid2, 4 draftyear2) , ( playerid, draft-year P) × ( playerid, draft-year P)) (n playerid P- playerid 1 draftyear1 100 PT) DAT P )

Explanation / Answer

Solution:

i)

ii)

iii)

iv)

I hope this helps, please let me know in case of any doubt. Thumbs up if this helped.

Player Name Player Team Chris Paul Clippers Josh Smith Rockets Tyson Chandler Navericks

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