Question: Use the following relational database schema to answer the queries using relational algebra. You may NOT use Cartesian products. Professor SSN ProfName Salary Nationality Teaches

Use the following relational database schema to answer the queries using

Use the following relational database schema to answer the queries using relational algebra. You may NOT use Cartesian products. Professor SSN ProfName Salary Nationality Teaches Prof SSN Crs Code Semester Course Crs Name Code Credit Hours Each of the attribute is explained as follows: SSN: the unique ID of a professor ProfName: the name of a professor Nationality: the nationality of a professor (i.e., Emirati...) Semester: when the course taught (i.e. Summer...) CrsName : the name of a course Code: the unique ID of a course Credit_Hours: the number of credit hours of a course. 2). Display a list of Emirati Professors names and name of Courses taught in the Summer

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