db-sanitization

Automates deterministic masking of sensitive data in SQL Server databases with Python scripts.

Updated Mar 27, 2026
One-click install
npx skills add https://github.com/deepanshu0504/DB-Sanitization --skill db-sanitization
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: db-sanitization
Source: https://github.com/deepanshu0504/DB-Sanitization/tree/main/.github/skills/db-sanitization
Command: npx skills add https://github.com/deepanshu0504/DB-Sanitization --skill db-sanitization

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides guidelines and implementation patterns for building robust database sanitization logic in Python, enabling deterministic masking of PII while preserving referential integrity across SQL Server databases and ensuring rollback safety.

Core Features & Use Cases

  • Deterministic masking for emails, names, phones, SSNs, and other PII to generate realistic test data without exposing sensitive information.
  • Referential integrity preservation through foreign key aware updates and batched processing to maintain data relationships.
  • Production-grade safeguards including data backups, safe rollback mechanisms, and post-sanitization validation to ensure data quality.

Quick Start

Provide a concrete sanitization task (e.g., mask emails and names in the Users table) and specify your target tables, columns, and determinism preferences to generate a complete Python sanitization script.

Frequently Asked Questions about db-sanitization

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I mask PII in a SQL Server database while preserving referential integrity?

To mask PII in a SQL Server database while preserving referential integrity, apply deterministic sanitization techniques using foreign key aware updates. This ensures masked data maintains relational consistency across primary and foreign key boundaries.

What is deterministic data masking for non-production environments?

Deterministic data masking for non-production environments replaces sensitive PII with consistent, fictional values. It ensures the same input always maps to the same output, preserving data relationships for realistic test data generation.

Can I batch process SQL Server data sanitization for large production-grade ETL workflows?

Yes, you can batch process SQL Server data sanitization for production-grade ETL workflows. Batch processing updates large datasets systematically, minimizing transaction log overload while applying modular masking strategies to PII fields.

Does database sanitization support rollback safety and post-sanitization validation?

Database sanitization supports rollback safety and post-sanitization validation by creating data backups before execution. If validation detects data quality issues, safe rollback mechanisms restore the original database state.

How do I generate a Python script to mask emails, names, phones, and SSNs in SQL Server?

To generate a Python script to mask emails, names, phones, and SSNs, provide your target tables, columns, and determinism preferences. The Skill outputs a complete sanitization script applying modular masking strategies.

What are the limitations of deterministic data masking for privacy compliance?

Deterministic data masking limitations for privacy compliance include maintaining fixed value mappings, which can theoretically reverse-engineer if the masking algorithm is exposed. Post-sanitization validation and secure backup storage mitigate these risks.