sql_features
#
The table sql_features
contains information
about which formal features defined in the SQL standard are
supported by PostgreSQL™. This is the
same information that is presented in Appendix D.
There you can also find some additional background information.
Table 35.46. sql_features Columns
Column Type Description |
---|
Identifier string of the feature |
Descriptive name of the feature |
Identifier string of the subfeature, or a zero-length string if not a subfeature |
Descriptive name of the subfeature, or a zero-length string if not a subfeature |
|
Always null, since the PostgreSQL™ development group does not perform formal testing of feature conformance |
Possibly a comment about the supported status of the feature |