I went through a nice article, thought to share on ecmnotes.
dm_audittrail_attrs = 0; 00 (also dm_auth_config, dmc_completed_workflow, dmc_completed_workitem, dmc_composite_predicate, dmc_module_config, dmc_readcomment, dm_state_type, dmc_transition_condition, dmi_wf_attachment, dmi_wf_timer, dmc_workqueue, dmc_workqueue_doc_profile, dmc_workqueue_policy, dmc_workqueue_user_profile)
dmi_session = 1; 01
dm_object = 2; 02
dm_type = 3; 03
dm_collection = 4; 04
dmr_containment = 5; 05
dmr_content = 6; 06
dm_app_ref = 7; 07
dm_sysobject = 8; 08 (also dm_acs_config, dm_application, dm_cache_config, dm_category_class, dm_ci_config, dmc_comment, dm_component, dm_ftindex_agent_config, dm_ftengine_config, dmc_jar, dm_job, dm_job_request, dm_job_sequence, dm_ldap_config, dm_locator, dm_media_profile, dm_network_location_map, dm_procedure, dm_qual_comp, dm_retainer, dmc_richtext, dmc_rps_authority, dmc_rps_base_date, dmc_rps_child_strategy, dmc_rps_condition, dmc_rps_contact, dmc_rps_disposition_method, dmc_rps_event, dmc_rps_hold, dmc_rps_retainer, dmc_rps_retention_policy, dm_script, dm_smart_list, dm_ssa_policy, dm_webc_config, dm_webc_target)
dm_document = 9; 09 (also dm_docset, dm_docset_run, dm_email_message, dm_esign_template, dmc_notepage, dmc_tcf_activity, dmc_tcf_activity_template, dm_xfm_form, dm_xfm_instance, dm_xfm_schema, dm_xml_config, dm_xml_custom_code, dm_xml_style_sheet, dm_xml_zone)
dm_query = 10; 0a
dm_folder = 11; 0b (also dmc_aspect_type, dm_category, dmc_java_library, dmc_module, dmc_room, dm_taxonomy, dmc_topic, dmc_workqueue_category, dm_xml_application)
dm_cabinet = 12; 0c
dm_assembly = 13; 0d
dm_store = 14; 0e
dm_fulltext = 15; 0f
dm_method = 16; 10
dm_user = 17; 11
dm_group = 18; 12
dm_api = 20; 14
dm_type_manager = 21; 15
dm_composite = 22; 16
dm_outputdevice = 23; 17
dm_router = 24; 18
dm_registered = 25; 19
dmi_queue_item = 27; 1b
dm_verity_coll = 28; 1c
dm_event = 29; 1d
dmi_vstamp = 30; 1e
dmi_index = 31; 1f
dmi_sequence = 32; 20
dm_transaction_log = 33; 21
dm_file = 34; 22
dmi_otherfile = 35; 23
dm_verity_index = 36; 24
dm_inbox = 37; 25
dmi_registry = 38; 26
dm_format = 39; 27
dm_filestore = 40; 28
dm_netstore = 41; 29
dm_linkstore = 42; 2a
dmi_linkrecord = 43; 2b
dm_distributedstore = 44; 2c
dmi_replica_record = 45; 2d
dmi_type_info = 46; 2e
dm_dump_record = 47; 2f
dmi_dump_object_record = 48; 30
dm_load_record = 49; 31
dmi_load_object_record = 50; 32
dmi_change_record = 51; 33
dm_blob_ticket = 52; 34
dm_staged_document = 53; 35
dm_dist_comp_record = 54; 36
dm_relation = 55; 37 (also dmc_aspect_relation, dm_category_assign, dmc_rps_phase_rel, dmc_rps_retainer_event_rel, dm_state_extension, dm_relation_ssa_policy, dmc_wf_package_schema)
dm_relationtype = 56; 38
dm_location = 58; 3a
dm_fulltext_index = 59; 3b
dm_docbase_config = 60; 3c
dm_server_config = 61; 3d
dm_mount_point = 62; 3e
dm_docbroker = 63; 3f
dm_blobstore = 64; 40
dm_note = 65; 41
dm_remotestore = 66; 42
dm_remoteticket = 67; 43
dm_docbaseid_map = 68; 44
dm_acl = 69; 45
dm_policy = 70; 46
dm_reference = 71; 47
dm_recovery = 72; 48
dmi_package = 73; 49
dmi_workitem = 74; 4a
dm_process = 75; 4b
dm_activity = 76; 4c
dm_workflow = 77; 4d
dm_dd_info = 78; 4e
dm_nls_dd_info = 79; 4f
dm_domain = 80; 50
dm_aggr_domain = 81; 51
dm_expression = 82; 52
dm_literal_expr = 83; 53
dm_builtin_expr = 84; 54
dm_func_expr = 85; 55
dm_cond_expr = 86; 56
dm_cond_id_expr = 87; 57
dmi_expr_code = 88; 58
dm_key = 89; 59
dm_value_assist = 90; 5a
dm_value_list = 91; 5b
dm_value_query = 92; 5c
dm_value_func = 93; 5d
dm_federation = 94; 5e
dm_audit_trail = 95; 5f (also dm_audittrail_acl, dm_audittrail_group)
dm_extern_store = 96; 60
dm_extern_file = 97; 61 (also
dm_extern_url = 98; 62
dm_extern_free = 99; 63
dmi_subcontent = 100; 64
dm_foreign_key = 101; 65
dm_alias_set = 102; 66
dm_plugin = 103; 67
dmi_dd_common_info = 104; 68
dmi_dd_type_info = 105; 69
dmi_dd_attr_info = 106; 6a
dm_display_config = 107; 6b
dm_scope_config = 108; 6c
dm_ca_store = 109; 6d
dm_docuworks = 128; 80