SQL playground

Guided example · runs in your browser

Choose a scenario

Sample data

The downstream usage below is supplied example data. It was not discovered automatically from any reporting tool or repository.

Inputs

Proposed migration SQL (ALTER TABLE / DROP TABLE) — optional

Modified example

You edited the built-in example. Results will reflect your edits, not the original scenario.

Supported SQL: CREATE TABLE and CREATE VIEW for the schema; ALTER TABLE … RENAME COLUMN, ADD COLUMN, DROP COLUMN, RENAME TO, and DROP TABLE for the change. Other statements are reported as notes and not analyzed.

Results

Add a current schema and downstream usage, optionally a proposed change, then select Analyze change.