Custom Database Application Builder Template
Customized CRUD Interfaces for Business Data

Key Takeaways

Overview

A custom database application needs tailored CRUD interfaces, efficient data handling, and scalability for business solutions.

This template illustrates User, Business Data, and associated operations so that teams can implement efficient database management rapidly.

Why Build Your Custom Database Application Backend with Back4app?

Back4app provides the flexibility for managing custom data types, enabling your team to focus on building innovative solutions rather than infrastucture issues.

• •Custom data management: Define various data models with CRUD capabilities tailored to business context.
• •Robust data handling features: Manage complex data relationships and dependencies through well-defined schemas.
• •Realtime updates and API versatility: Use Live Queries for dynamic data interaction while providing REST and GraphQL APIs for front-end consumers.

Quickly iterate on your custom database application functionalities with a singular backend experience across diverse platforms.

Core Benefits

A custom database application backend that enables rapid development without compromising on security and performance.

Technical Stack

Everything included in this custom database application backend template.

ER Diagram

Entity relationship model for the custom database backend schema.

erDiagram
    User ||--o{ Resource : "owner"
    User ||--o{ AccessLog : "user"
    Resource ||--o{ AccessLog : "resource"

    User {
        String objectId PK
        String username
        String email
        String password
        String role
        Date createdAt
        Date updatedAt
    }

    Resource {
        String objectId PK
        String name
        String details
        Pointer owner FK
        Date createdAt
        Date updatedAt
    }

    AccessLog {
        String objectId PK
        Pointer user FK
        Pointer resource FK
        Date accessTime
        Date createdAt
        Date updatedAt
    }

Integration Flow

Typical flow for accessing secure resources, managing business data, and applying CRUD operations.

sequenceDiagram
  participant User
  participant App as Custom Database Application Builder App
  participant Back4app as Back4app Cloud

  User->>App: Login
  App->>Back4app: POST /login
  Back4app-->>App: Session token

  User->>App: List resources
  App->>Back4app: GET /classes/Resource
  Back4app-->>App: Resource details

  User->>App: Create resource
  App->>Back4app: POST /classes/Resource
  Back4app-->>App: Created Resource objectId

  User->>App: Access resource
  App->>Back4app: GET /classes/Resource
  Back4app-->>App: Resource details

  App->>Back4app: Log access
  Back4app-->>App: AccessLog objectId

Data Dictionary

Complete field-level reference for each class in the custom database schema.

Security and Permissions

How ACL and CLP strategies protect users and sensitive custom data.

Schema (JSON)

Raw JSON schema definition ready to copy into Back4app or use as implementation reference.

{
  "classes": [
    {
      "className": "User",
      "fields": {
        "objectId": {
          "type": "String",
          "required": false
        },
        "username": {
          "type": "String",
          "required": true
        },
        "email": {
          "type": "String",
          "required": true
        },
        "password": {
          "type": "String",
          "required": true
        },
        "role": {
          "type": "String",
          "required": true
        },
        "createdAt": {
          "type": "Date",
          "required": false
        },
        "updatedAt": {
          "type": "Date",
          "required": false
        }
      }
    },
    {
      "className": "Resource",
      "fields": {
        "objectId": {
          "type": "String",
          "required": false
        },
        "name": {
          "type": "String",
          "required": true
        },
        "details": {
          "type": "String",
          "required": true
        },
        "owner": {
          "type": "Pointer",
          "required": true,
          "targetClass": "User"
        },
        "createdAt": {
          "type": "Date",
          "required": false
        },
        "updatedAt": {
          "type": "Date",
          "required": false
        }
      }
    },
    {
      "className": "AccessLog",
      "fields": {
        "objectId": {
          "type": "String",
          "required": false
        },
        "user": {
          "type": "Pointer",
          "required": true,
          "targetClass": "User"
        },
        "resource": {
          "type": "Pointer",
          "required": true,
          "targetClass": "Resource"
        },
        "accessTime": {
          "type": "Date",
          "required": true
        },
        "createdAt": {
          "type": "Date",
          "required": false
        },
        "updatedAt": {
          "type": "Date",
          "required": false
        }
      }
    }
  ]
}

API Playground

Interact with REST and GraphQL endpoints against the custom database schema. Responses utilize mock data and do not require a Back4app account.

Utilizes the schema defined in this template.

What You Get with Every Technology

Every stack utilizes the same custom database backend schema and API contracts.

Frequently Asked Questions

Common inquiries about building a custom database backend with this template.