ER Diagram Generator from SQL
Paste your MySQL CREATE TABLE code and generate an ER diagram blueprint, Mermaid ER code, table explanation, primary keys, foreign keys, relationships, database documentation and viva questions. Perfect for PHP, Java, Python, Android and final-year project reports.
Generate ER Diagram from SQL
Paste the SQL code from your project database file. This tool works best with MySQL CREATE TABLE statements exported from phpMyAdmin, XAMPP, WAMP, Laragon or a project database file.
Your ER Diagram & Database Documentation
Use this output in your project report, documentation, viva preparation or Mermaid diagram editor.
What Is an ER Diagram Generator from SQL?
An ER diagram generator from SQL helps students understand the structure of a database by reading SQL table definitions and converting them into entities, attributes and relationships. Instead of manually checking every table, you can paste your SQL file and quickly prepare database documentation for your project report.
This tool helps you generate
- Entity relationship diagram structure
- Mermaid ER diagram code
- Table-wise database explanation
- Primary key and foreign key details
- Relationship explanation
- Database viva questions
- Documentation-ready database section
Useful for these projects
- PHP and MySQL projects
- Java and MySQL projects
- Python and MySQL projects
- Android app database projects
- Final-year major projects
- Mini projects and semester projects
- College project documentation
How to Use This Tool for Your Project Report
- Open your project folder and find the database file. It usually ends with .sql.
- Open the SQL file in VS Code, Notepad++ or any text editor.
- Copy the CREATE TABLE statements.
- Paste the SQL code into this ER Diagram Generator.
- Click Generate ER Diagram.
- Copy the Mermaid ER diagram code or database documentation.
- Add the table explanation and relationships to your project report.
- Use the generated viva questions to prepare for your database presentation.
Why Database Documentation Matters in Student Projects
Teachers often ask database questions during project viva because the database shows whether a student understands the actual project structure. If you can explain tables, primary keys, foreign keys and relationships, your project presentation becomes much stronger.
Weak database explanation
- “This project uses MySQL database.”
- No table explanation
- No primary key explanation
- No relationship explanation
- No ER diagram
Strong database explanation
- Explains each table clearly
- Mentions primary keys and foreign keys
- Shows table relationships
- Includes ER diagram or Mermaid code
- Connects database design to project modules
ER Diagram Generator FAQs
Can this tool create an ER diagram from MySQL code?
Yes. Paste MySQL CREATE TABLE statements and the tool will extract tables, columns, primary keys, foreign keys and relationships to create ER diagram-ready Mermaid code.
What is Mermaid ER diagram code?
Mermaid ER diagram code is a text-based diagram format. You can paste it into a Mermaid editor or supported Markdown tool to render a visual ER diagram.
Can I use this for PHP project documentation?
Yes. This tool is especially useful for PHP and MySQL projects because most PHP projects include a database.sql file exported from phpMyAdmin.
Does this tool detect foreign keys automatically?
The tool detects explicit FOREIGN KEY constraints and also tries to infer common relationships from columns ending in _id, such as user_id, student_id or product_id.
Should I submit the generated output directly?
Use the generated output as a strong first draft. Always review your actual database and update table descriptions, field names and relationships according to your real project.
Turn Your Database File into Project Documentation
Codezips helps students download, run, understand, document and upgrade programming projects. Use this ER Diagram Generator with Codezips source code projects, SQL files, setup guides and viva tools.
