상황
Designing a database schema for a multi-tenant CRM used by educational institutions to manage student recruitment and relationships.
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01
Used Tenant entity to enforce data isolation across organizations
02
Allowed optional relationships for organizations and courses in deals to support flexible pipelines
03
Applied many-mandatory cardinality for core entities like user-tenant and activity-user to ensure referential integrity
When building a SaaS CRM with multi-tenant architecture for schools, universities, or any educational entity needing contact and deal management.