---
title: Avoid Updating The Source Table On Transform Scripts
description: "**Impact area** Manageability **Severity** High **Affected element** Transform scripts ## Rule ID **SN-0369** ## Impact Transform maps and their associated scripts are meant to transform the input data into the correct output format or values. They should never update the…"
url: "https://community-staging.qualityclouds.com/qcdocs/qcr/rules/avoid-updating-the-source-table-on-transform-scripts/"
updated: "2025-03-21"
category: Rules
---

# Avoid Updating The Source Table On Transform Scripts

**Impact area**

Manageability

**Severity**

High

**Affected element**

Transform scripts

## Rule ID

**SN-0369**

## Impact

Transform maps and their associated scripts are meant to transform the input data into the correct output format or values. They should never update the source records.

## Remediation

Re-design your data import process to avoid modifying source data in a transform map.

### **Time to fix**

60 min