# Data

URL: /docs/data/
Section: data
Tags: data, database, forms, validation

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Database Database SQLite and PostgreSQL access Typed async queries, row mapping, transactions, streaming, and LISTEN/NOTIFY. Magnifying Glass Query Builder Immutable chainable queries Dynamic filters with where_if(), transparent SQL, typed results. Migrations Forward-only SQL migrations Numbered SQL files, automatic tracking, runs at startup. Forms & Validation Form parsing and validation rules Multipart forms, validation results, and error rendering.

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