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Information Schema SCHEMATA Table

The Information Schema SCHEMATA table stores information about databases on the server.

It contains the following columns:

Column	Description
`CATALOG_NAME`	Always `def`.
`SCHEMA_NAME`	Database name.
`DEFAULT_CHARACTER_SET_NAME`	Default character set for the database.
`DEFAULT_COLLATION_NAME`	Default collation.
`SQL_PATH`	Always `NULL`.

Example

SELECT * FROM INFORMATION_SCHEMA.SCHEMATA\G
*************************** 1. row ***************************
              CATALOG_NAME: def
               SCHEMA_NAME: information_schema
DEFAULT_CHARACTER_SET_NAME: utf8
    DEFAULT_COLLATION_NAME: utf8_general_ci
                  SQL_PATH: NULL
*************************** 2. row ***************************
              CATALOG_NAME: def
               SCHEMA_NAME: mysql
DEFAULT_CHARACTER_SET_NAME: latin1
    DEFAULT_COLLATION_NAME: latin1_swedish_ci
                  SQL_PATH: NULL
*************************** 3. row ***************************
              CATALOG_NAME: def
               SCHEMA_NAME: performance_schema
DEFAULT_CHARACTER_SET_NAME: utf8
    DEFAULT_COLLATION_NAME: utf8_general_ci
                  SQL_PATH: NULL
*************************** 4. row ***************************
              CATALOG_NAME: def
               SCHEMA_NAME: test
DEFAULT_CHARACTER_SET_NAME: latin1
    DEFAULT_COLLATION_NAME: latin1_swedish_ci
                  SQL_PATH: NULL
...

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https://mariadb.com/kb/en/information-schema-schemata-table/