The table sql_parts contains information about which of the several parts of the SQL standard are supported by PostgreSQL.
Table 33-34. sql_parts Columns
| Name | Data Type | Description |
|---|---|---|
| feature_id | character_data | An identifier string containing the number of the part |
| feature_name | character_data | Descriptive name of the part |
| is_supported | character_data | YES if the part is fully supported by the current version of PostgreSQL, NO if not |
| is_verified_by | character_data | Always null, since the PostgreSQL development group does not perform formal testing of feature conformance |
| comments | character_data | Possibly a comment about the supported status of the part |