How to Design a Scalable Chat Application Schema in MySQL and NoSQL

How to Design a Scalable Chat Application Schema in MySQL and NoSQL

User schema

Table: users
Description: To store user details.

### 📄 User Table Schema

| **Column Name** | **Data Type**     | **Description**                           |
|-----------------|------------------|-------------------------------------------|
| `id`            | `UUID`           | Primary key.                              |
| `name`          | `VARCHAR(255)`   | User's display name.                      |
| `email`         | `VARCHAR(255)`   | Unique email address.                     |
| `password`      | `VARCHAR(255)`   | Hashed user password.                     |
| `image`         | `VARCHAR(255)`   | Path to the user's profile image.         |
| `created_at`    | `TIMESTAMP`      | Timestamp when the user was created.      |
| `updated_at`    | `TIMESTAMP`      | Timestamp of the last update.             |

Additional information
image: Nullable. Path to the user’s profile image. If null, a default image is shown.

Chat Group schema

Table: chat_groups
Description: To manage chat group.

### 📄 Chat Group Table Schema

| **Column Name** | **Data Type**     | **Description**…