Anatomy of an ERP system

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Anatomy of an ERP system

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• Application Repository System
• Represents the core of the ERP
• Metadata (data about data regarding application)
• Provides information regarding structure and
  design to all other modules such as
• Entities
• Attributes
• Relations
• Processes
• Views
• User scenarios

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• Application Repository System (continued)
• Metadata (continued)
• Contains information on every
• Program, File, Data item, including
• Identity
• Purpose
• Type and nature
• Defining attributes
• where used list
• Tables accessed
• Processing cycles and times
• Sizing

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• Application Repository System (continued)
• Metadata (continued)
• Detailed requirements stored in related data
  dictionary
• Data tables
• Normalization
• Indices
• Referential integrities

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• Graphical User Interface (GUI) Management System
• Screen layout
• Navigation within and between screens
• Help features
• Error recoveries
• Data validations including table lookups
• Default values

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• Menu Management System
• Menu control for specific users based on level of
  access and authorizations
• Help Management System
• Information regarding
• Programs
• Screens
• Fields
• System diagnostics including errors and warnings

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• Database Management System
• Oracle, DB2, etc
• 4th Generation Language Development Environment
  (Advanced Business Applications Programming
  Language (ABAP4))
• Development
• Testing
• Debugging
• Documenting

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• Query Management System
• Accessing data including
• Process information
• Entities
• Data tables
• Programs
• Enables painting of query screens
• Fields
• Sequence of fields
• Record selection
• Etc

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• Report Management System
• Similar to query management
• Submits printing of queried data
• Defines customized reports
• Application Administration and Management System
• Facilities to guide in installation, upgrades and
  system maintenance
• Manages software distribution
• Includes facilities for
• Performance monitoring,
• Backups
• Background processing
• Creating and managing jobs
• Printer and print spool management

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• Configuration Management System
• Permits ERP to be configured to institution's
  organizational structure
• Physical
• Operational
• Profit and Loss (Clinical Enterprise)
• Fiscal Period
• Categories
• Etc
• Reporting and analyses are based on details of
  configuration defined at inception
• Customizes ERP to specific functions and
  processes of an enterprise

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• Change Management System
• Facilities to register, release, and control all
  changes introduced into the system
• Components being tested or changed
• Enables gathering dates, persons, duration to
  effect changes
• Version Management System
• Provides facilities to keep track of current
  versions of various components of ERP
• Assists in diagnosis of problems related to
• Incompatible systems
• Wrong interfaces

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• Security and Authorization Management System
• Architecture for access control including
• Profiles
• Assignment of profiles to individual users
• Authentication processes
• Logging of accesses
• Tracking attempts to breach security
• Controlling passwords
• Audit Management System
• Monitors user access and usage
• System processing and updates
• System and data change management
• Error logs

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• Disaster Recovery Management System
• Facility to define
• Alternate disaster recovery servers and systems
• Initial response events
• Database recoveries
• Activating backup resources
• Full recovery procedures
• Archival Management System
• Facility to archiving of systems and applications
  data
• Defines details of
• Data
• Data sources
• Duration
• Frequency
• Target archival system

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• Communications Management System
• Communications layer including
• Distributed processing
• Distributed databases
• Security
• Application Programming Interface System
• Interface processing
• Uploads
• Downloads
• Online Documentation System
• Provides system help online

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• Print Documentation System
• Documentation of technical and application
  details and design for offline reference
• Online Tutorial, Training, and Demonstration
  Management System
• Online training
• Office Automation System
• Word processing
• Spreadsheets
• Predefined documents

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• Groupware and Workflow System
• Extensive communication ability
• Inform and alert users
• Individual or broadcast
• Interface between applications and email
  including
• Routing and approval sequences
• Approval requirements
• Data Warehouse and Data Analysis System
• Provides for mapping and populating data from ERP
  tables to data warehouse
• Includes tools to detect data patterns and trends

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• Implementation Project Management System
• Project management system including ability to
• Monitor and manage progress of implementation
• Define
• Work steps
• Dependencies
• Schedules
• Estimates of duration and effort
• Work in progress
• Work completed
• Work under testing

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Success !