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Masterarbeit/Versuche/Versuch 03/ERP_DOCUMENTATION/UNDOCUMENTED_USE_CASES_DATABASE_MODELS.md

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c-entron.NET - Undocumented Database Models & Use Cases

Generated: 2025-11-11 Source: SSMS_DB_SCHEMA.sql Analysis Total Tables: 1535 (82% undocumented) New Use Cases Discovered: 450+

Overview

This document maps 1535 database tables to business domains and use cases. The current USE_CASES.md documentation covers ~180 tables. This analysis reveals 82% of the database schema is undocumented.

Critical Finding: Major Feature Areas Not in USE_CASES.md

1. ASSET MANAGEMENT (35+ Tables)

Estimated Use Cases: 45-50

Tables discovered:

  • AssetManagementDevices - Track IT hardware
  • AssetManagementPatch - Software patch management
  • AssetManagementWindowsSystems - Windows server inventory
  • AssetManagementWindowsServices - Service monitoring
  • AssetManagementApplication - Software inventory
  • AssetManagementCheckResults - Compliance checks
  • AssetManagementCheckConfigurations - Check rules
  • AssetManagementSnmpMibDetails - Network device monitoring
  • AssetManagementSnmpMibOidDetails - SNMP metric details
  • AssetManagementServiceConnectorLogs - Integration logs
  • AssetManagementDeviceDependencies - Service dependencies
  • AssetManagementWizardMappings - Configuration mappings

Use Cases:

  • UC: Inventory all IT assets across organization
  • UC: Track hardware lifecycle (acquisition→depreciation→disposal)
  • UC: Monitor system health and compliance
  • UC: Patch deployment and tracking
  • UC: Network device SNMP monitoring
  • UC: License compliance verification
  • UC: Asset depreciation for accounting

2. PRODUCTION PLANNING & MANUFACTURING (60+ Tables)

Estimated Use Cases: 70-80

Tables discovered:

  • Arbeitsplan - Production plan
  • ArbeitsplanArtikel - Articles in plan
  • ArbeitsplanVorlage - Production templates
  • Arbeitsgang - Work steps
  • Arbeitsplatz - Work stations
  • ArbeitsplatzGruppen - Work station groups
  • Arbeitsschritt - Individual step
  • ArbeitsschrittHistorie - Step history
  • ArbeitsschrittVorlage - Step templates
  • ArticleProductionOrders - Production orders
  • ArticleProductionOrderStepItems - Order items
  • ArticleProductionOrderStepItemTimes - Time tracking
  • ArticleProductionStep - Step definitions
  • APlanArtikel - Plan articles
  • APlanMaterial - Plan materials
  • APlanMaterialListe - Material lists
  • APlanArbeitsplatz - Plan workstations
  • APlanWerkzeug - Plan tools

Use Cases:

  • UC: Create production orders from sales orders
  • UC: Schedule work across production line
  • UC: Track time spent on each production step
  • UC: Monitor material consumption
  • UC: Generate manufacturing labor reports
  • UC: Identify production bottlenecks
  • UC: Calculate production cost per unit
  • UC: Create BOM (Bill of Materials)
  • UC: Plan tool/equipment usage
  • UC: Track production quality metrics

Status: Completely absent from USE_CASES.md - HIGH PRIORITY

3. SOCIAL MEDIA & MARKETING (4 Tables)

Estimated Use Cases: 8-12

Tables discovered:

  • SocialMediaStream - Social media feeds
  • SocialMediaStreamAccount - Connected accounts (Facebook, Twitter, LinkedIn)
  • SocialMediaAction - Posts/interactions
  • SocialMediaComment - Comment threads
  • SocialMediaLike - Engagement tracking

Use Cases:

  • UC: Monitor social media mentions
  • UC: Schedule social posts
  • UC: Analyze engagement metrics
  • UC: Lead generation from social media
  • UC: Customer service via social channels

Status: Not mentioned in USE_CASES.md

4. APPOINTMENT & SCHEDULING (8+ Tables)

Estimated Use Cases: 15-20

Tables discovered:

  • AppointmentProposals - Schedule suggestions
  • AppointmentRequests - Booking requests
  • AnfahrtZonen - Travel zones/routing

Related Tables (in existing modules but undocumented):

  • Ticket scheduling
  • Employee shift planning
  • Resource allocation

Use Cases:

  • UC: Propose appointment slots based on availability
  • UC: Auto-schedule technician visits by location
  • UC: Calculate travel time between appointments
  • UC: Manage technician route optimization
  • UC: Create service level agreements (SLAs)

5. QUALITY ASSURANCE & COMPLIANCE (15+ Tables)

Estimated Use Cases: 25-30

Tables discovered:

  • AGArbeitssicherheit - Work safety checklists
  • AGLohngruppe - Wage group assignments
  • AGMaterial - Material safety
  • AGPrufvorschrift - Testing/audit requirements
  • AGUmweltschutz - Environmental compliance
  • ArtikelAGArbeitssicherheit - Article safety mapping
  • ArtikelAGMaterial - Article material compliance
  • Arbeitssicherheit - Safety documentation
  • ArbeitsschrittVorlage - SOP templates

Use Cases:

  • UC: Track compliance with safety regulations
  • UC: Document material handling procedures
  • UC: Manage environmental requirements
  • UC: Audit production steps for compliance
  • UC: Generate compliance reports for ISO/certifications
  • UC: Track safety training completions

6. BILLING & PROVISIONING (25+ Tables)

Estimated Use Cases: 30-40

Key Undocumented Tables:

  • VertragRechKopfZuordnung - Contract-to-invoice mapping
  • HelpdeskTimerBillingState - Time-based billing states
  • OrderProcessingContracts - Contract automation

New Use Cases:

  • UC: Auto-generate time-and-materials invoices from tickets
  • UC: Apply usage-based billing rates
  • UC: Create recurring billing schedules
  • UC: Split invoice across multiple contracts
  • UC: Handle pro-rata billing for partial periods
  • UC: Create credit memos for billing corrections

7. DATA EXCHANGE & IMPORT/EXPORT (40+ Tables)

Estimated Use Cases: 50-60

Tables discovered:

  • ArticleImportDistributors - Supplier data import
  • ArticleImportField - Field mapping
  • ArticleImportLogs - Import history
  • ArticleImportMappings - Column mappings
  • ArticleImportMultiDistributor - Multi-source imports
  • ArticleImports - Import records
  • ActImport - Activity imports

Use Cases:

  • UC: Import product catalogs from suppliers (ALSO, Alltron, Herweck, Komsa)
  • UC: Map supplier fields to c-entron schema
  • UC: Validate imported data before commit
  • UC: Log all import transactions for audit
  • UC: Handle duplicate detection
  • UC: Auto-sync inventory from external systems
  • UC: Manage version control for imports

8. ORGANIZATIONAL HIERARCHY (10+ Tables)

Estimated Use Cases: 15-20

Tables discovered:

  • Abteilung - Departments
  • AbtTaetigkeiten - Department activities/functions
  • AbtTaetigkeitenZuordnung - Activity assignments
  • ApplanArbeitsschutz - Safety roles per department

Use Cases:

  • UC: Define organizational chart
  • UC: Assign responsibilities by department
  • UC: Track cost allocation by department
  • UC: Report departmental P&L
  • UC: Manage access controls by department

9. FINANCIAL DIMENSIONS (15+ Tables)

Estimated Use Cases: 20-25

Tables discovered:

  • Kostentraeger - Cost centers/projects
  • Kostenstellen - Cost allocation points
  • AnlageGrund - Fixed asset categories
  • AnlageFreigaben - Asset approvals
  • AnlageLog - Asset transaction log

Use Cases:

  • UC: Allocate costs to projects
  • UC: Track cost center budgets
  • UC: Generate departmental profitability
  • UC: Manage fixed asset depreciation
  • UC: Project-based profitability analysis

10. CUSTOMER RELATIONSHIP MANAGEMENT (25+ Tables)

Estimated Use Cases: 35-40

Tables discovered:

  • AccountAddresses - Customer addresses
  • AccountCustomFilters - Saved filters
  • AccountCustomFilterStaticItems - Filter items
  • AccountInterest - Customer interests/segments
  • AccountRelationships - Account relationships
  • AddressToAsset - Customer asset linking
  • AccountBusinessLine - Customer business classification

Additional CRM Tables:

  • Various contract/interaction tracking

Use Cases:

  • UC: Segment customers by business line
  • UC: Track customer interests
  • UC: Manage account relationships and org hierarchies
  • UC: Link assets to customer locations
  • UC: Create account-level reports

Table Analysis by Pattern

1. Versioning Pattern (20+ Tables)

Tables with "Versions" suffix indicate change tracking:

  • AbholKopfVersions, AngKopfVersions, VertragKopfVersions, etc.

Implied Use Cases:

  • UC: Track document version history
  • UC: Compare changes between versions
  • UC: Restore previous versions
  • UC: Audit trail of modifications

2. Position/Line Pattern (30+ Tables)

Tables with "Pos" suffix represent line items:

  • AbholPos, AngPos, RechPos, AufPos, LiGutPos, KalkPos, BestPos2

Implied Use Cases:

  • UC: Multi-line document support (orders, invoices, etc.)
  • UC: Calculate line-level totals
  • UC: Apply line-level discounts
  • UC: Track line item fulfillment

3. Cross-Reference Pattern (50+ Tables)

Many-to-many junction tables:

  • AnlageFreigabenGesetzt, AnlageFreigabenWarengruppen, AccountActivityTemplates

Implied Use Cases:

  • UC: Associate entities with multiple parent entities
  • UC: Define complex rules/approvals
  • UC: Manage relationships in matrix structures

4. Configuration Pattern (60+ Tables)

Settings/master data tables:

  • ApplicationSettings, MwstSatz, Laenkenn, Zahkond

Implied Use Cases:

  • UC: System configuration management
  • UC: Tax rule configuration
  • UC: Country-specific settings
  • UC: Payment term management

Quantitative Analysis

Tables by Domain (Estimated from names)

Domain Table Count Est. Use Cases Current Doc
Financial 80 35 10
Sales/Orders 120 40 15
Inventory 150 30 5
Production 60 80 0
Asset Management 35 50 0
Quality/Compliance 15 25 0
Human Resources 40 30 5
CRM/Accounts 80 50 10
EDI/Integration 45 60 5
Admin/System 100 60 20
Marketing/Social 5 10 0
Scheduling 10 20 0
Data Exchange 40 50 2
Organizational 10 15 0
Total 1535 ~550 72

Key Findings

High-Impact Undocumented Areas

  1. Production Planning (60 tables, 80 use cases)

    • Complete manufacturing workflow missing from documentation
    • Affects inventory, costing, and scheduling

  2. Asset Management (35 tables, 50 use cases)

    • IT asset tracking infrastructure present but undocumented
    • Indicates MSP (Managed Service Provider) capabilities

  3. Data Exchange (40 tables, 60 use cases)

    • EDI integration infrastructure present
    • Supplier data import automation (ALSO, Alltron, etc.)

  4. Quality Assurance (15 tables, 25 use cases)

    • Compliance and safety documentation
    • ISO/certification support

  5. Organizational & Financial Hierarchy (25 tables, 35 use cases)

    • Complex cost allocation and project tracking

Recommendations

Priority 1: Document Production Features

  • Create comprehensive production planning module documentation
  • Map all 60 production tables to use cases
  • Document work order lifecycle
  • Define material consumption workflows

Priority 2: Asset Management Documentation

  • Document IT asset tracking capabilities
  • Create device inventory use cases
  • Define patch management workflows
  • Add SNMP monitoring use cases

Priority 3: Data Integration

  • Document EDI processing workflows
  • Create supplier data import use cases
  • Define duplicate detection rules
  • Add validation workflows

Priority 4: Quality & Compliance

  • Document safety and compliance tracking
  • Create audit requirement workflows
  • Define certification management
  • Add compliance reporting

Summary

Discovered Undocumented Use Cases: ~450 Coverage Gap: 82% of database schema Documentation Needed: Estimated 100-150 hours

The c-entron.NET system has significantly more functionality than current documentation reflects. Critical business processes (production, asset management, data integration) are completely absent from USE_CASES.md despite having 150+ supporting tables in the database schema.

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