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title: Database
emoji: 📊
colorFrom: red
colorTo: red
sdk: gradio
sdk_version: "6.6.0"
app_file: app.py
pinned: false
license: mit
short_description: AI academic tools with SQLite database & user authentication
tags:
- education
- students
- essay
- pdf
- quiz
- translation
- urdu
- authentication
- database
- sqlite
---
# 🎓 Student AI Suite
**AI-powered academic platform with persistent user database**
A complete student productivity suite featuring essay generation, PDF summarization, smart quizzes, and Urdu translation — all with secure user accounts and persistent data storage.
---
## 🗄️ Database Features
| Feature | Technology | Description |
|---------|-----------|-------------|
| **SQLite Database** | `sqlite3` | Persistent local storage |
| **User Accounts** | SHA-256 + Salt | Secure password hashing |
| **Sessions** | Token-based | 24-hour secure sessions |
| **Activity Logging** | Analytics-ready | Track usage (optional) |
| **Preferences** | Per-user | Default settings storage |
---
## 📊 Database Schema
### Tables
```sql
users # User accounts & profiles
sessions # Active login sessions
activity_logs # Usage analytics (optional)
user_preferences # Personal default settings |