Frequently asked questions

ToolJet Database is the database built into ToolJet, on top of PostgreSQL. Create tables, define relationships and manage records in a spreadsheet-like editor, then query them from your apps like any other data source.

App builders can use ToolJet Database without connecting a separate data source. ToolJet Cloud manages the database infrastructure for you. On Self-hosted deployments, your administrator configures and operates the PostgreSQL and PostgREST services as part of the ToolJet deployment.

Yes. Use the visual query builder for everyday reads and writes, or the SQL editor to write and run more complex SQL queries directly on your ToolJet Database.

Yes. Primary keys uniquely identify each record, and foreign keys link tables while keeping referential integrity. Column types include serial, varchar, int, bigint, float, boolean, date with time and jsonb.

Tables are only accessible within your ToolJet organization. The database API is not exposed publicly; all access goes through ToolJet's authentication layer.


















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8 Supported Data Types
Direct App Binding