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The view collation_character_set_applicability identifies which character set the available collations are applicable to. In Postgres-XC, there is only one character set per database (see explanation in Section 33.7), so this view does not provide much useful information.
Table 33-9. collation_character_set_applicability Columns
| Name | Data Type | Description |
|---|---|---|
| collation_catalog | sql_identifier | Name of the database containing the collation (always the current database) |
| collation_schema | sql_identifier | Name of the schema containing the collation |
| collation_name | sql_identifier | Name of the default collation |
| character_set_catalog | sql_identifier | Character sets are currently not implemented as schema objects, so this column is null |
| character_set_schema | sql_identifier | Character sets are currently not implemented as schema objects, so this column is null |
| character_set_name | sql_identifier | Name of the character set |