Describe in words the constraints that are given by the ER diagram. Try to be as high level as possible (i.e. try to reconstruct what a person who doesn't know about ER diagrams might say to the person who designed this ER diagram, e.g. "An employee can have X number of policies covering so and so dependents, also ..."). ssn name lot pname age Employees Purchaser Beneficiary Dependents Policies (policyid cost What is the benefit (if any) of storing the index table separately from the file of records? Be specific. That is, why store the index file (left) in addition to (and separate from) the file of records (right)? You can speak about this specific example or another that you prefer. Primary Index Data File Search key Address Address Reg No Name Program Age 14MS01 Ox1F0O Ox1500 14 MS01 Ram MS CS 21 14MS10 Ox2000 Ox2000 14MS10 Vishal | MS CS 22 14MS29 Ox2100 MS CS 21 0x2100 14MS29 Priya Ox2200 14 MS30 Tom 14MS30 Ox2200 MS CS 21 14MT59 OX2300 OX2300 14MT59 Azad MTech 23 Your answer below