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Corporate Campus Security Guard Booking and Access Control ERD

Type Entity-Relationship Diagram (ERD)Standard Chen 1976 / Everest 1976 (crow's foot)Engine schematex-erdUpdated 9/13/2026
Corporate Campus Security Guard Booking and Access Control ERD
Drawing preview
The scenario

A corporate campus needs to book licensed security guards, assign them to shifts at various sites, and integrate with access control by issuing badges that grant zone-specific entry.

What is in this drawing

Read the decisions behind it.

01

Separate Shift and Booking entities to allow a shift to require multiple guards and to track individual guard assignments.

02

Link AccessBadge to Booking so each guard assignment can be issued its own time-bound badge.

03

Use BadgeZoneGrant to model many-to-many access zone permissions per badge.

Use when designing a schema for guard scheduling, workforce allocation, and access control integration across multiple client sites.

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