# 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+

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## 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**.

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## 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

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### 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

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### 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

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### 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)

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### 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

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### 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

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### 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

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### 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

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### 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

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### 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

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## 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

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### 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

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### 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

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### 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

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## 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** |

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## 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

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## 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

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## 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.