> For the complete documentation index, see [llms.txt](https://docs.telm.ai/academy/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.telm.ai/academy/advanced-topic-implementing-dq-indicators/completeness.md).

# Completeness

One of the most basic and crucial  metric and yet simple null checks often are not a good indicator of this metric.

Telmai used a deeper approach to calculate of completeness . 

Details explained in next topic