ER
Visual schema tools
Pro · SponsorDesign, diff, and map without hand DDL.
Table designer, schema diff with migration SQL, auto ERD from foreign keys, CSV/JSON import wizard, and DBML import — all as editor webviews.
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workspace / visual toolsschema.diff · erdER
Create or alter tables visually
Form-based columns, PK/FK/check constraints — NexQL generates correct DDL preview before you apply.
CONNECTIONS
orders_prod
orders_dev
public
▸ customers
▸ orders
▸ payments
SELECT date_trunc('day', created_at) AS day,
COUNT(*) AS orders
FROM orders GROUP BY 1;
COUNT(*) AS orders
FROM orders GROUP BY 1;
| day | orders | revenue |
|---|---|---|
| Apr 07 | 142 | $18,420 |
| Apr 08 | 158 | $21,340 |
| Apr 09 | 131 | $17,890 |
SELECT … FROM orders
GROUP BY day;
GROUP BY day;
top customers by revenue this quarter
Grounded in customers + orders. Review before running.
DEVSTAGEPROD
Risk scoreHIGH
DELETE without WHERE — confirm to continue
customersid · name · email
ordersid · customer_id · total
Designer · Diff · ERD · Import
Seq Scan on orders4 511 ms
Hash Join214 ms
Index Scan (after fix)88 ms
12active
2locks
99.2%cache hit
48msp95
orders_dev · Neon · SSL
orders_stage · SSH tunnel
orders_prod · read-only
Table designerSchema diffERDImport wizard