Based on your Level $1$ DFD$,$ create a CRUD matrix that identifies the major database operations for each process$/$data store combination. Keep in mind that a CRUD matrix will include the following:

processes labeled along the left$-$most vertical column

data stores labeled along the top most horizontal row

the database operation$($s$)$ at the intersection of each process$/$data store $($Create$,$ Read, Update, Delete$)$