arangosh> db.old.ensureIndex({ type: "skiplist", fields: [ "age" ] }); { "deduplicate" : true, "fields" : [ "age" ], "id" : "old/181", "isNewlyCreated" : true, "sparse" : false, "type" : "skiplist", "unique" : false, "code" : 201 } arangosh> db.old.save({ age: 15 }); { "_id" : "old/184", "_key" : "184", "_rev" : "_XiAwFSG--_" } arangosh> db.old.save({ age: 25 }); { "_id" : "old/188", "_key" : "188", "_rev" : "_XiAwFSG--B" } arangosh> db.old.save({ age: 30 }); { "_id" : "old/191", "_key" : "191", "_rev" : "_XiAwFSK--_" } arangosh> db.old.range("age", 10, 30).toArray(); [ { "_key" : "184", "_id" : "old/184", "_rev" : "_XiAwFSG--_", "age" : 15 }, { "_key" : "188", "_id" : "old/188", "_rev" : "_XiAwFSG--B", "age" : 25 } ]