get_dbms_capability
set_dbms_capability
_dbh_details
+ _dbh_get_info
sql_limit_dialect
sql_quote_char
_inner_join_to_node
_group_over_selection
- _prefetch_autovalues
_extract_order_criteria
+
+ _prefetch_autovalues
+
_max_column_bytesize
_is_lob_type
);