Please submit your solutions through gradescope.
You should have received an email indicating that you've been
added to the course. You may submit either
Garcia-Molina, problems 2.4.1 (b,c,e,g,j), 2.4.3 (b,d,e,f,i),
2.4.7 (a,b,c,d), 2.5.1 (a,c,e)
You can refer to exercises 2.3.1 and 2.3.2 for detailed
descriptions of the databases. For 2.4.1 and 2.4.3, just
write the relational algebra queries; it is not necessary to show
the query output for the given data.