Question: Write the relational algebra expression to extract the following: 1. The location address where a painting named Monalisa was exhibited 2. The name of artists

Write the relational algebra expression to extract the following:

1. The location address where a painting named Monalisa was exhibited

2. The name of artists who produced both art objects of type painting and sculpture

3. The total numbers of artists from Italy Write the relational algebra expression to extract the following: 1. The

iven the following 3NF relational schema regarding art exhibitions, LOCATION (Code, IName, lAddress) ARTIST (alD, aName, aCountry EXHIBITION (eCode, eName) EXHIBITIONLOCDATE (eCode Code, estattDate eEndDate) ARTOBJECT (aolD, aoName, actype, auD) ARTEXHIBITED (eCode, Code, aoll, bootbNo) [Note: 1. Underlined attributes are primary/composite keys of the relations & italicized attributes are foreign keys 2.I- location, a artist, e exhibition, ae-attobiect.]

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