Gudu SQLFlow Logo
Automatic lineage analysis for Postgres queries
Turns Postgres SQL queries into logical diagram flows, model the stages of a data pipeline from the different sources to the targets
Our solution


Automated data lineage tool that analyze audit log, SQL scripts and database metadata to produce the column-level maps


Data lineage diagram
Actionable diagram
It provides a visual representation of the overall flow of data, Depicting all the data movement graphically.
Restful API
Provides a rich Rest API interface to quickly integrate into your data governance platform.
Database connectivity
Connect to your Postgres database to analyze the data lineage automatically in real-time.
On-Premise version
Allows you to install the SQLFlow on your own site, without any connection to the public internet.
Java library
Provides Java libraries that deploy to the end customers along with your data governance tools.
Postgres SQL queries
Discover data lineage for Postgres stored procedure (procedure, function, trigger) as well as complex queries.
Column level lineage 
answers the following questions
Impact of removing a column


What’s the impact of removing a column or table on the wider analytics ecosystem?


Column being used


Is a column being used in a Looker/Qlik Sense/BI Dashboard?


Deprecate columns or tables


Can we deprecate columns or tables that are no longer being used?


Broken columns


Do we have broken columns in Qlik Sense/Looker that no longer link to backend database such as BigQuery, Snowflake, Redshift and etc?


Customer Success
What people say
“sources whereas high standards in web readiness. Energistically scale future-proof core competencies vis-a-vis impactful experiences. Dramatically synthesize integrated schemas with.”
Irene J. HolmesIrene J. HolmesPublications specialist
"Check this fantastic tool to visualize SQL queries. Damn - I would have needed it 13 years ago ;-)"
David das NevesDavid das NevesIT passionate, Xoogler, ex-MSFT 
Our Awesome Clients


More than half of the metadata management solutions leader companies use Gudu SQLFlow to provide data lineage feature.


Keep your warehouse healthy and up to date


Mapping out the different roads data can take within your warehouse so that everyone can consume and analyse them