extensions.sql

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Extensions: optional capabilities for the runtime

Phase: Pre-catalog | Order: 3 | Required: No

Load DuckDB extensions for cloud storage, external databases, and specialized functions.

Method	Scope
`extensions.sql`	Global (entire runtime)
`@extension` directive	Per-model

Cloud Storage

INSTALL httpfs;
LOAD httpfs;

INSTALL postgres;
LOAD postgres;

INSTALL mysql;
LOAD mysql;

INSTALL spatial;
LOAD spatial;