news: 20
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| rowid | date | body |
|---|---|---|
| 20 | 2021-02-18 | [Datasette 0.55](https://docs.datasette.io/en/stable/changelog.html#v0-55) adds support for cross-database SQL queries. You can now run `datasette --crossdb one.db two.db` and then run queries that join data from tables in both of those database files - see [cross-database queries](https://docs.datasette.io/en/stable/sql_queries.html#cross-database-queries) in the documentation for more details. [sqlite-utils 3.6](https://sqlite-utils.datasette.io/en/stable/changelog.html#v3-6) adds similar features: a `db.attach(alias, filepath)` Python API method and `--attach alias filepath.db` command-line option, both for attaching additional databases in order to execute cross-database queries. |