Question 1). a) After long sessions with users/managers of a production company, the data requirements were collected into structural sentences given as below. Construct the Data Model in Oracle Barker Notations for those relational sentences. (16 Points) b) Assign unique identifiers to the entities. (4 Points) Each STOCK must be subject to one and only one FINAL PRODUCT QUALITY. Each BATCH ITEM must be an entity under one and only one ITEM. Each ITEM may be subject for one or more ORDER ITEMs. Each BATCH ITEM must be defined in one and only one BATCH. Each RAW MATERIAL QUALITY must be for one and only one ORDER ITEM. Each STOCK may be subject of one or more VOUCHERS. Each RAW MATERIAL must be for one and only one STOCK. Each RAW MATERIAL QUALITY may be sent as one or more STOCKS. Each VOUCHER must be contained in one and only one STOCK. Each BATCH may be either subject to one or more RAW MATERIALS or one or more BATCH ITEMs. Each FINAL PRODUCT QUALITY may be applied to one or more STOCKS. Each RAW MATERIAL must be defined in one and only one BATCH. Each ITEM may be produced as one and only one BATCH ITEM. Each ORDER ITEM must be defined as one and only one ITEM. Each STOCK may be in one or more RAW MATERIALS. Each ORDER ITEM may be subject for one or more RAW MATERIAL QUALITYs. Each STOCK must be for one and only one RAW MATERIAL QUALITY. Question 1). a) After long sessions with users/managers of a production company, the data requirements were collected into structural sentences given as below. Construct the Data Model in Oracle Barker Notations for those relational sentences. (16 Points) b) Assign unique identifiers to the entities. (4 Points) Each STOCK must be subject to one and only one FINAL PRODUCT QUALITY. Each BATCH ITEM must be an entity under one and only one ITEM. Each ITEM may be subject for one or more ORDER ITEMs. Each BATCH ITEM must be defined in one and only one BATCH. Each RAW MATERIAL QUALITY must be for one and only one ORDER ITEM. Each STOCK may be subject of one or more VOUCHERS. Each RAW MATERIAL must be for one and only one STOCK. Each RAW MATERIAL QUALITY may be sent as one or more STOCKS. Each VOUCHER must be contained in one and only one STOCK. Each BATCH may be either subject to one or more RAW MATERIALS or one or more BATCH ITEMs. Each FINAL PRODUCT QUALITY may be applied to one or more STOCKS. Each RAW MATERIAL must be defined in one and only one BATCH. Each ITEM may be produced as one and only one BATCH ITEM. Each ORDER ITEM must be defined as one and only one ITEM. Each STOCK may be in one or more RAW MATERIALS. Each ORDER ITEM may be subject for one or more RAW MATERIAL QUALITYs. Each STOCK must be for one and only one RAW MATERIAL QUALITY