ER Diagram Templates
Entity-relationship diagrams describe the shape of your data: tables, columns, primary and foreign keys, cardinalities. Use them when planning a new schema, documenting an existing one, or arguing about whether a relationship should be one-to-many or many-to-many.
- OAuth 2.0 AuthorizationAn ER diagram template mapping the OAuth 2.0 authorization code grant flow, ideal for developers and architects documenting authentication systems.
- CI/CD PipelineA ready-to-use ER diagram template mapping CI/CD pipeline entities from code commit to production deployment, ideal for DevOps engineers and architects.
- User Authentication FlowA ready-to-use ER diagram template mapping login, session, and logout sequences, ideal for developers and system architects designing secure authentication systems.
- Microservices ArchitectureA ready-to-use ER diagram template mapping microservices boundaries, entities, and communication patterns, ideal for architects and backend engineers.
- Database MigrationA ready-to-use ER diagram template for database architects and engineers planning schema changes that require zero-downtime migration strategies.
- Event-Driven ArchitectureA ready-to-use ER diagram template mapping producers, brokers, and consumers in event-driven systems, ideal for architects and backend engineers.
- Kubernetes DeploymentA ready-to-use ER diagram template mapping Pods, Services, Ingress, and Rollouts for DevOps engineers and platform teams documenting Kubernetes architectures.
- REST API Request LifecycleA ready-to-use ER diagram template mapping the full REST API request lifecycle from client call through middleware, server logic, and database and back, ideal for backend developers and architects.
- Git Branching StrategyA ready-to-use ER diagram template mapping Git branching workflows—ideal for dev teams documenting GitFlow or trunk-based strategies.
- E-commerce Checkout FunnelA ready-to-use ER diagram template mapping every entity and relationship from shopping cart to order confirmation, ideal for developers and UX architects.
- Customer Feedback LoopA ready-to-use ER diagram template mapping the collect, analyze, act, and communicate stages of a customer feedback loop for product and CX teams.
- A/B Testing WorkflowA ready-to-use ER diagram template mapping the A/B testing lifecycle—hypothesis, design, ship, and decide—ideal for product managers and data teams.
- User Onboarding FlowA ready-to-use ER diagram template mapping the data entities and relationships behind a new user onboarding flow, ideal for product managers and backend developers.
- Product Launch PlanA structured ER diagram template mapping Beta, marketing, GA, and post-launch entities, ideal for product managers and launch teams planning a release.
- Feature RolloutA ready-to-use ER diagram template mapping feature rollout stages—internal, beta, percent rollout, and GA—ideal for product and engineering teams.
- Hiring PipelineA ready-to-use ER diagram template mapping every entity and relationship in a hiring pipeline, ideal for HR teams, recruiters, and ATS developers.
- Customer Support TriageA ready-to-use ER diagram template mapping ticket intake to resolution, ideal for support engineers, DBAs, and CX teams designing helpdesk systems.
- Lead Qualification (BANT)An ER diagram template mapping Budget, Authority, Need, and Timing entities for sales teams and CRM architects modeling lead qualification workflows.
- Code Review ProcessThis ER diagram template maps the full code review lifecycle from PR open to merge, ideal for engineering teams documenting their development workflows.
- Sales PipelineA ready-to-use ER diagram template mapping every entity and relationship in a sales pipeline, ideal for CRM developers, sales ops teams, and database architects.
- Invoice Approval WorkflowA ready-to-use ER diagram template mapping invoice receipt, validation, approval, and payment entities for finance teams and business analysts.
- ETL Data PipelineA ready-to-use ER diagram template mapping ETL pipeline entities and relationships, ideal for data engineers and architects designing data workflows.
- Machine Learning WorkflowA ready-to-use ER diagram template mapping ML pipeline entities—data prep, training, evaluation, and deployment—ideal for data scientists and ML engineers.
- Project KickoffA ready-to-use ER diagram template mapping project charter, stakeholders, plans, and communications for project managers and business analysts.
- Data Warehouse SchemaA ready-to-use ER diagram template illustrating a data warehouse star schema with fact and dimension tables, ideal for data engineers and BI architects.
- Analytics Event TrackingA ready-to-use ER diagram template mapping the full analytics event tracking pipeline from client emit to dashboard, ideal for data engineers and product analysts.