Complete Each Entity's relationship. ex) A CUSTOMER makes many ORDERAnd if ther is any errors or unnecessary part please fix it. It could be a position of primary key or attributes. Please set the resonable relationship with this image. ORDERCategoryORDER_DETAILSPKORDER_IDPKCtegoryPKDETAILS_IDHOCUST IDFKFKCUST_IDFKORDER_IDORDER DATECatalog 1FKPRODUCT_IDODER TOTALCatalog 2QuantityCUSTOMERPRODUCTCUST IDPKSUBSCRIPTIONPKPRODUCT_IDNamePKSUBSCRIPTION_IDPRODUCTAddressFKCUST_IDDetailsEmailSUBSCRIPTIONMANUFACTURERPRODUCT_COSTPRODUCT_IDPKFKPKFKPRODUCT_IDMANUFAC_NAMECOSTMANUFAC_ADDRESS

The following relations exists in the given Entity Relation Diagram: A CUSTOMER makes many ORDER. A CUSTOMER selects a product from many CATEGORIES. A CUSTOMER has many SUBSCRIPTION. An ORDER has ORDER_DETAILS. Many ORDER_DETAILS decides a PRODUCT. Many PRODUCT can have a PRODUCT_COST. A MANUFACTURER decides many PRODUCT_COST.---+A sort of structural model to be used in database design is the Entity Relationship Diagram, often recognized as the ER Diagram, ERD, or ER model. There are numerous symbols and connectors inside an ERD which visualize two valuable information: the key entities inside the context of the scheme, and the inter-relationships between such entities. There are four main type of relations in a ER Diagram: One to One One to Many Many to One Many to Many NOTE: There are no errors of any sort, according to my knowledge, in the given ER diagram.