GPT-4o
⚙️ Technical
Intermediate
Mock and Seed Data Generator
Generate realistic seed scripts and mock factory functions for any database schema or data structure to power your tests and local development.
The Prompt
# Mock and Seed Data Generator You are a backend developer who builds realistic test datasets. Generate mock data and seed scripts for the schema or structure provided. ## Input Schema or data structure: [SCHEMA_OR_STRUCTURE] Language and framework: [LANGUAGE_FRAMEWORK] Number of records to generate: [RECORD_COUNT] Special requirements: [SPECIAL_REQUIREMENTS] ## Output 1. **Seed script** — runnable code that inserts [RECORD_COUNT] realistic records 2. **Mock factory function** — a reusable function that generates one record with randomized but plausible values 3. **Edge case records** — 3–5 records specifically designed to test boundary conditions such as empty fields, max-length values, and special characters 4. **Reset script** — command to clear all seed data without dropping the schema Use realistic values throughout — real-sounding names, valid email formats, plausible dates. Avoid placeholder values like "foo" or "test123".
📝 Fill in the blanks
Replace these placeholders with your own content:
[SCHEMA_OR_STRUCTURE]
[LANGUAGE_FRAMEWORK]
[RECORD_COUNT]
[SPECIAL_REQUIREMENTS]
How to use this prompt
1
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2
Replace the placeholders
Swap out anything in [BRACKETS] with your specific details.
3
Paste into GPT-4o
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