Schema to SQL DDL Generator

Convert CSV/JSON data to SQL CREATE TABLE and INSERT statements

Configuration

Database Type

Table Name

Delimiter

Include DROP TABLE statement

Generate INSERT statements

Auto-detect primary key

Input Data

Generated SQL

Schema to SQL DDL Generator Documentation

What is this tool?

This tool converts data schemas from CSV and JSON formats into SQL DDL statements (CREATE TABLE) and INSERT statements. It automatically infers column data types from the input data and generates database-specific SQL syntax for multiple database systems.

Key Features

Multiple input formats: CSV and JSON array support
Automatic data type inference from values (INT, VARCHAR, DATE, TIMESTAMP, BOOLEAN, etc.)
Support for 5 major databases (MySQL, PostgreSQL, SQL Server, SQLite, Oracle)
Auto-detect primary key columns (id, *_id)
Optional DROP TABLE and INSERT statement generation

Common Use Cases

Quick database table creation from CSV exports or spreadsheets
Migrating JSON data structures to relational databases
Generating test database schemas with sample data
Converting API responses to database tables

Supported Databases

MySQL - Popular open-source relational database
PostgreSQL - Advanced open-source database with enterprise features
SQL Server - Microsoft's enterprise database solution
SQLite - Lightweight embedded database
Oracle - Enterprise-grade commercial database

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