+ <row>
+ <entry><literal>character_set_catalog</literal></entry>
+ <entry><type>sql_identifier</type></entry>
+ <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
+ </row>
+
+ <row>
+ <entry><literal>character_set_schema</literal></entry>
+ <entry><type>sql_identifier</type></entry>
+ <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
+ </row>
+
+ <row>
+ <entry><literal>character_set_name</literal></entry>
+ <entry><type>sql_identifier</type></entry>
+ <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
+ </row>
+
+ <row>
+ <entry><literal>collation_catalog</literal></entry>
+ <entry><type>sql_identifier</type></entry>
+ <entry>
+ Name of the database containing the collation of the attribute
+ (always the current database), null if default or the data type
+ of the attribute is not collatable
+ </entry>
+ </row>
+
+ <row>
+ <entry><literal>collation_schema</literal></entry>
+ <entry><type>sql_identifier</type></entry>
+ <entry>
+ Name of the schema containing the collation of the attribute,
+ null if default or the data type of the attribute is not
+ collatable
+ </entry>
+ </row>
+
+ <row>
+ <entry><literal>collation_name</literal></entry>
+ <entry><type>sql_identifier</type></entry>
+ <entry>
+ Name of the collation of the attribute, null if default or the
+ data type of the attribute is not collatable
+ </entry>
+ </row>
+