You have been given a university business plan that produced the following information: PERSON: lname, fname, rname, idnum, private, linkblue lname, fname, rname are variable length strings idnum is type INT and is a key attribute private is BOOLEAN linkblue is string of 8 characters ADDR: idnum, adtype, streetaddr, city, state, country, zip idnum is a foreign key to PERSON.idnum adtype is a string in the set {"bill","permanent","local"} streetaddr is a variable length string that includes #, street, and maybe apt # state is a 2 letter char denoting the state country is a 2 letter char denoting country zip is string no bigger than 10 characters. ADVISOR: student, advisor student is a foreign key to PERSON.idnum advisor is a foreign key to PERSON.idnum DIGITAL: smtype, idnum, smaddr smtype is a string in the set {"email", "facebook", "twitter"} idnum is a foreign key to PERSON.idnum smaddr is a variable length string There is a primary key on the pair (smtype, idnum)

#5 Write a DML statement for inserting 2 tuples into the PERSON table.

#8 Write a DML statement for inserting 4 entries into the DIGITAL table 2 for each PERSON. #9 Write a DDL statement to alter the table schema for ADVISOR to include two new columns 'sdate' and 'edate', both of type DATE. #10 What is the value for the pre-existing tuple's sdate and edate entry after you execute the DDL statement from #9?