پاورپوینت Database Concepts
27 اسلاید
Enterprise Data Model
•First step in database development
•Specifies scope and general content
•Overall picture of organizational data at high level of abstraction
•Entity-relationship diagram
•Descriptions of entity types
•Relationships between entities
•Business rules
Segment from enterprise data model (Pine Valley Furniture Company) [simplified E-R diagram]
Information Systems Architecture (ISA)
•Conceptual blueprint for organization’s desired information systems structure
•Consists of:
–Data (e.g. Enterprise Data Model – simplified ER Diagram)
–Processes – data flow diagrams, process decomposition, etc.
–Data Network – topology diagram
–People – people management using project management tools (Gantt charts, etc.)
–Events and points in time (when processes are performed)
–Reasons for events and rules (e.g. decision tables)
پاورپوینت Database Concepts
Database Reliability Engineering Designing and Operating Resilient Database Systems
Database .NET نرم افزار مفید و کاربردی که امکان مشاهده، ویرایش و سازماندهی پایگاه های داده می کند. همچنین از محصولات Microsoft Office یعنی Microsoft Access, Microsoft Excel و همچنین MySQL, SQL Server, SQLite, Oracle, PostgreSQL و برناه های از این قبیل پشتیبانی می کند.
