Question: Consider this schema for a music industry database where the primary key for each table are underlined (and stated after the relation in case

Consider this schema for a music industry database where the primary key

Consider this schema for a music industry database where the primary key for each table are underlined (and stated after the relation in case there is a glitch in canvas). On this schema, which of the following queries return the CID of RecordCompanies who have never produce an album. Musician(mID, surName, firstName, birthdate) mID is key Album(alD, title, mID, year) alD is key RecordCompany(CID, name, president) CID is key Produced(album, company) album and company together are the key Integrity constraints Album(mID) Musician(mID) Produced(album) Album(alD) Produced(company) Record Company(CID) a) TCID (Produces company/cID RecordCompany) True b) TCID (RecordCompany) Tcompany (Produced) True c) TCID (RecordCompany - Produced) False d) IICID (Musician Album album-aID RecordCompany) - IIcompany (Produced) True e) IICID (Musician x Album RecordCompany) False - IIcompany (Produced x RecordCompany)

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