SHOW DATABASES

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The SHOW DATABASES statement lists all databases in the CockroachDB cluster.

Synopsis

SHOW DATABASES

Required privileges

No privileges are required to list the databases in the CockroachDB cluster.

Example

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> SHOW DATABASES;
+---------------+
| database_name |
+---------------+
| defaultdb     |
| postgres      |
| system        |
+---------------+
(3 rows)

Default databases

New clusters and existing clusters upgraded to v2.1 or later will include three auto-generated databases, with the following purposes:

  • The empty defaultdb database is used if a client does not specify a database in the connection parameters.

  • An empty database called postgres is provided for compatibility with Postgres client applications that require it.

  • The system database contains CockroachDB metadata and is read-only.

The postgres and defaultdb databases can be deleted if they are not needed.

See also


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