PostgreSQL 9.6.2 Documentation
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# 35.46. `sql_packages`

The table `sql_packages` contains information about which feature packages defined in the SQL standard are supported by PostgreSQL. Refer to Appendix D for background information on feature packages.

Table 35-44. `sql_packages` Columns

Name | Data Type | Description
--- | --- | ---
`feature_id` | `character_data` | Identifier string of the package
`feature_name` | `character_data` | Descriptive name of the package
`is_supported` | `yes_or_no` | `YES` if the package 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 package

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