The Ultimate Guide to High Availability with MariaDB

Information Schema CATALOG Table

MariaDB starting with 11.8

Catalog support is planned for 11.8.

The Information Schema CATALOG table stores information about catalogs on the server.

It contains the following columns:

ColumnDescription
CATALOG_NAMECatalog name.
DEFAULT_CHARACTER_SET_NAMEDefault character set for the database.
DEFAULT_COLLATION_NAMEDefault collation.
SCHEMA_COMMENTCatalog comment

Example

MariaDB [def.test]> SELECT * FROM INFORMATION_SCHEMA.CATALOGS\G
*************************** 1. row ***************************
              CATALOG_NAME: c1
DEFAULT_CHARACTER_SET_NAME: latin1
    DEFAULT_COLLATION_NAME: latin1_swedish_ci
           CATALOG_COMMENT: This is catalog c1
*************************** 2. row ***************************
              CATALOG_NAME: cat2
DEFAULT_CHARACTER_SET_NAME: latin1
    DEFAULT_COLLATION_NAME: latin1_swedish_ci
           CATALOG_COMMENT: 
*************************** 3. row ***************************
              CATALOG_NAME: def
DEFAULT_CHARACTER_SET_NAME: latin1
    DEFAULT_COLLATION_NAME: latin1_swedish_ci
           CATALOG_COMMENT: default catalog
...

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