# Source: https://docs.lancedb.com/api-reference/data/update-column-details.md

# Update Column Details

> Alter the name, type, or nullability of existing columns in a table. This operation allows you to modify column properties while preserving data integrity.



---

> To find navigation and other pages in this documentation, fetch the llms.txt file at: https://docs.lancedb.com/llms.txt