SQLise — Data lineage from your SQL

Paste SQL or upload DDL to visualize table and column-level lineage. No warehouse credentials or sign-up required to start.

Parse

Read SQL across SQL Server, Snowflake, PostgreSQL, MySQL, and Oracle — DDL, DML, dbt, and ad-hoc queries.

Trace

Follow every column from source to destination through joins, CTEs, and transformations.

Explain

Turn complex queries into plain-English narratives that an engineer, an analyst, or a stakeholder can read.

The SQLise suite

SQLise Studio — The interactive lineage workspace — paste SQL, see the graph, share the result.
SQLise Impact — Pinpoint everything downstream of a column, table, or view before you ship a change.
SQLise Parser — The dialect-aware engine behind every Studio render — five engines, one normalised graph.
SQLise Copilot — Plain-English explanations of any query, plus targeted diagnostics with Query Lens™.

SQLise Tool — Visualize Any SQL Query Online
The free SQLise tool. Paste a query or upload DDL, then trace tables, views, CTEs, and column lineage in seconds. Share results with a single link.
Column-Level Lineage for SQL — Trace Every Column
SQLise traces every source column into its derived columns across SQL Server, Snowflake, PostgreSQL, MySQL, Oracle, and dbt. Column-level lineage with no warehouse credentials.
SQL Query Visualizer — See Any Query as a Lineage Graph
Paste any SQL query and SQLise renders a clean lineage graph of tables, views, CTEs, and joins. Free SQL visualization with one-click export.
Explain SQL Query — Visual + Plain-English with Query Lens™
Understand complex SQL fast. SQLise visualizes how a query flows from source tables to final columns, then Query Lens™ explains it in plain English.
Debug SQL Faster with Visual Lineage
SQLise tracks down duplicated rows, wrong aggregations, and broken joins by visualizing the column-level path of your SQL. Free SQL debugging through lineage.
SQL Impact Analysis with Impact Graph™
Before you change a column, drop a table, or rename a view, SQLise's Impact Graph™ shows every downstream object that depends on it. Visual SQL impact analysis in seconds.
SQL Data Lineage for Snowflake
Visualize Snowflake DDL, views, streams, tasks, pipes, and stages with column-level lineage. Built for Snowflake practitioners — paste DDL and SQLise it.
SQL Data Lineage for dbt Models
See column-level lineage across your dbt staging, intermediate, and mart models. No project compilation required — paste compiled SQL and SQLise renders an instant lineage graph.
SQLise Examples — Real Queries SQLised
Browse curated SQL examples — ecommerce revenue, marketing attribution, Snowflake transformations, dbt staging models — each rendered as a SQLise column-level lineage graph.
SQLise Blog — Debug, Visualize, and Explain SQL
Articles about SQL debugging, column-level lineage, joins, GROUP BY pitfalls, Snowflake patterns, and dbt — written for data practitioners who live in SQL.
About SQLise — Data lineage from your SQL
SQL is the universal language of data. SQLise helps teams understand the systems built on top of it — through parsing, tracing, and explaining every query.
Pricing — Explorer, Builder, Architect & Enterprise
Start free with SQLise on the Explorer plan. Upgrade for higher parse limits, Query Lens™, more saved projects, and longer draft retention. No credit card required to start.
Documentation — SQLise
Documentation for SQLise: supported SQL dialects and objects, dependency detection, Column Trace™, Impact Graph™, Query Lens™, exports, and tier limits.
Privacy Policy — SQLise
How SQLise handles your SQL, account data, payments, and analytics. Anonymous parses are processed in memory, saved projects stay in your account, and you control deletion.