[Q_2] Answer the following questions based on the following EER (Enhanced ER) diagrams. Fname Minit Lname Name SBD Birth_date Address Job_type EMPLOYEE Job_type d Secretary Engineer Typing speed Tgrade Technician TECHNICIAN Eng_type ENGINEER SECRETARY Figure Q2-(a) Part_no Description PART Manufacture_date Batch_no Drawing.no MANUFACTURED_PART Supplier_name List_price PURCHASED_PART Figure Q2-6) 1. Explain generalization and specialization conceptual design processes with examples shown in the EER diagrams above. 2. Explain disjointness constraint and completeness constraint with examples shown in the EER diagrams above. 3. Map the Employee conceptual schema to logical database schema based on the Mapping algorithm step 8- option (a). 4. Map the Part conceptual schema to logical database schema based on the Mapping algorithm step 8- option (d)