information_schema.columns.collation_catalog

Note:

Name of the database containing the collation of the column (always the current database), null if default or the data type of the column is not collatable

Note:

Name of the database containing the collation of the column (always the current database), null if default or the data type of the column is not collatable

Note:

Not yet implemented

Note:

Applies to a feature not available in PostgreSQL

Note:

Name of the database containing the collation (always the current database); NULL if the default collation is used, or if data_type is not collatable.

Note:

Always returns NULL.