| Relationship name | Relationship type | Parent entity | Child entity | Card. |
| accesslog | Non-identifying | sessions | accesslog | 1:N |
| accesslog | Non-identifying | users | accesslog | 1:N |
| aggregator_category_feed | Non-identifying | aggregator_category | aggregator_category_feed | 1:N |
| aggregator_category_item | Non-identifying | aggregator_category | aggregator_category_item | 1:N |
| aggregator_category_item | Non-identifying | aggregator_item | aggregator_category_item | 1:N |
| aggregator_feed | Non-identifying | aggregator_feed | aggregator_category_feed | 1:N |
| aggregator_item | Non-identifying | aggregator_feed | aggregator_item | 1:N |
| authmap | Non-identifying | access | authmap | 1:N |
| authmap | Non-identifying | users | authmap | 1:N |
| blocks_roles | Non-identifying | role | blocks_roles | 1:N |
| book | Non-identifying | book | book | 1:N |
| book | Non-identifying | node | book | 1:N |
| book | Non-identifying | node_revisions | book | 1:N |
| boxes | Non-identifying | filter_formats | boxes | 1:N |
| client_system | Non-identifying | client | client_system | 1:N |
| comment(parent) | Non-identifying | comments | comments | 1:N |
| comments | Non-identifying | filter_formats | comments | 1:N |
| comments | Non-identifying | users | comments | 1:N |
| comments | Non-identifying | node | comments | 1:N |
| file_revisions | Non-identifying | node_revisions | file_revisions | 1:N |
| file_revisions | Non-identifying | files | file_revisions | 1:N |
| files | Non-identifying | node | files | 1:N |
| filters | Non-identifying | filter_formats | filters | 1:N |
| forum | Non-identifying | node | forum | 1:N |
| forum | Non-identifying | node_revisions | forum | 1:N |
| forum | Non-identifying | term_data | forum | 1:N |
| history | Non-identifying | users | history | 1:N |
| history | Non-identifying | node | history | 1:N |
| locales_target | Non-identifying | locales_meta | locales_target | 1:N |
| locales_target | Non-identifying | locales_source | locales_target | 1:N |
| menu | Non-identifying | menu | menu | 1:N |
| node | Non-identifying | users | node | 1:N |
| node | Non-identifying | node_revisions | node | 1:N |
| node_access | Non-identifying | node | node_access | 1:N |
| node_comment_statistics | Non-identifying | users | node_comment_statistics | 1:N |
| node_comment_statistics | Non-identifying | node | node_comment_statistics | 1:N |
| node_counter | Non-identifying | node | node_counter | 1:N |
| node_revision | Non-identifying | node | node_revisions | 1:N |
| node_revisions | Non-identifying | filter_formats | node_revisions | 1:N |
| node_revisions | Non-identifying | users | node_revisions | 1:N |
| permission | Non-identifying | term_data | permission | 1:N |
| permission | Non-identifying | role | permission | 1:N |
| poll | Non-identifying | node | poll | 1:N |
| poll_choices | Non-identifying | poll | poll_choices | 1:N |
| poll_votes | Non-identifying | users | poll_votes | 1:N |
| poll_votes | Non-identifying | poll | poll_votes | 1:N |
| profile_values | Non-identifying | profile_fields | profile_values | 1:N |
| profile_values | Non-identifying | users | profile_values | 1:N |
| search_index | Non-identifying | search_total | search_index | 1:N |
| session | Non-identifying | users | sessions | 1:N |
| term_data | Non-identifying | vocabulary | term_data | 1:N |
| term_heirarchy | Non-identifying | term_data | term_hierarchy | 1:N |
| term_node | Non-identifying | node | term_node | 1:N |
| term_node | Non-identifying | term_data | term_node | 1:N |
| term_relation1 | Non-identifying | term_data | term_relation | 1:N |
| term_relation2 | Non-identifying | term_data | term_relation | 1:N |
| term_synonym | Non-identifying | term_data | term_synonym | 1:N |
| users_roles | Non-identifying | users | users_roles | 1:N |
| users_roles | Non-identifying | role | users_roles | 1:N |
| vocabulary_node_types | Non-identifying | vocabulary | vocabulary_node_types | 1:N |
| watchdog | Non-identifying | users | watchdog | 1:N |