is#database_management_task__database_management  a DB management (sub)task
  supertype:  is#information_sciences_task__information_management_task__information_management__informationmanagement  may be "_subtask" would be more appropriate than "_task" here and in the subtypes
  tool:  #electronic_database (is)  #DBMS (is)
  subtype:  is#data_indexation_or_search_in_a_database
     subtype:  is#data_indexation_in_database
  subtype:  is#mapping/merging/federation_of_DBs

No statement uses or specializes is#database_management_task; click here to add one.