# Null Generates NULL values to fill the rows of the specified column. ## Characteristics


Consistency	No, cannot be made consistent.
Linking	No, cannot be linked.
Differential privacy	Yes
Data-free	Yes
Allowed for primary keys	No
Allowed for unique columns	Yes
Uses format-preserving encryption (FPE)	No
Privacy ranking	1
Generator ID (for the API)	`NullGenerator`

## How to configure The Null generator has no configuration options. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.tonic.ai/app/generation/generators/generator-reference/null.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.