The Ultimate Guide to High Availability with MariaDB

Information Schema CATALOG Table

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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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