37.11. collation\_character\_set\_​applicability

|37.11. `collation_character_set_​applicability`|                             |                                  |                  |                                            |
|:---------------------------------------------:|-----------------------------|----------------------------------|------------------|--------------------------------------------|
|      [Prev](infoschema-collations.html)       |[Up](information-schema.html)|Chapter 37. The Information Schema|[Home](index.html)| [Next](infoschema-column-column-usage.html)|

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## 37.11. `collation_character_set_​applicability`

 The view `collation_character_set_applicability` identifies which character set the available collations are applicable to. In PostgreSQL, there is only one character set per database (see explanation in [Section 37.7](infoschema-character-sets.html)), so this view does not provide much useful information.

**Table 37.9. `collation_character_set_applicability` Columns**

|                                                    Column Type<br/><br/> Description                                                    |
|-----------------------------------------------------------------------------------------------------------------------------------------|
|       `collation_catalog` `sql_identifier`<br/><br/> Name of the database containing the collation (always the current database)        |
|                        `collation_schema` `sql_identifier`<br/><br/> Name of the schema containing the collation                        |
|                                `collation_name` `sql_identifier`<br/><br/> Name of the default collation                                |
|`character_set_catalog` `sql_identifier`<br/><br/> Character sets are currently not implemented as schema objects, so this column is null|
|`character_set_schema` `sql_identifier`<br/><br/> Character sets are currently not implemented as schema objects, so this column is null |
|                                `character_set_name` `sql_identifier`<br/><br/> Name of the character set                                |

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