A character alphanumeric postal code of a client. Primary keys cannot be changed in some systems, and it is never good practice. Your e-mail Input it if you want to receive answer. Would you track accounts payable? A date field holding the date a service request was reported. A time field holding the time a technician finished work on a request.
Some, but not all, of the configuration records could be associated with a piece of Equipment. Suggest us how to improve StudyLib For complaints, use another form. A character alphanumeric field consisting of the first name of the client contact person. A character alphanumeric field holding the identifying name for the piece of equipment A system-generated numeric value unique to each piece of equipment. Ethnic groups in the Middle East. Data analysis – Chapter 8 2. Subject to interpretation, this diagram is in third normal form, which is the bulk of the assignment for Milestone 5.
Data Model Normalization Page: Why do we use different scales. A date field holding the date a service request was resolved. Because this does not apply to all records, a formal relationship would not have to be established.
A character alphanumeric information value stored in a software configuration record. In the present system, the computer name acts as a primary identifier.
A system-generated large integer numeric value unique to each service request. The primary keys are based on how the user uniquely identifies each entity. Data analysis – Chapter 8 2.
A character alphanumeric field consisting of last name of the client contact person. Whether or not they identify the optional entities will depend on how they interpret the user requirements and on their experience level with database normalization. Date field consisting of the date a component was installed into a piece of equipment. A system-generated large integer numeric value unique to each software configuration record. Specify all solutionn types your instructor will specify the target database or allowable set of data types.
Specify which attributes are required not nullable. A date field holding the date a service request was reported. Vendor would be a parent table to PurchaseOrder, contributing the VendorID in a non-identifying relationship.
Where do you stop? A character description of the component. The EquipmentComponent stydy has ComponentNum as the primary key. Each piece of Equipment is owned by a particular Client. Add this document to collection s. Each Configuration is associated with a particular Client. Logon Multiple Values of Information i.
Case Study CTTS – Milestone 04 Data Modeling Solution_图文_百度文库
Make assumptions where necessary. Suggest us how to improve StudyLib For complaints, use another form. For complaints, use another form. A system-generated large integer numeric value unique to each client. KS1 skills web SPR A character field holding the name of the vendor from whom a component was purchased.
The following tables contain the attributes identified from each form slution the interview. A request for service on Equipment.
Case Study CTTS – Milestone 05 Data Model
This makes a one-to-one relationship. Date field consisting of the date a component was removed from a piece of equipment. None of the forms hint at a ClientID.
A character alphanumeric classification of the type of component.