arangosh> db.example.ensureSkiplist("a", "b"); { "id" : "example/15133", "type" : "skiplist", "fields" : [ "a", "b" ], "unique" : false, "sparse" : false, "isNewlyCreated" : true, "code" : 201 } arangosh> var indexInfo = db.example.getIndexes(); arangosh> indexInfo; [ { "id" : "example/0", "type" : "primary", "fields" : [ "_key" ], "selectivityEstimate" : 1, "unique" : true, "sparse" : false }, { "id" : "example/15133", "type" : "skiplist", "fields" : [ "a", "b" ], "unique" : false, "sparse" : false } ] arangosh> db.example.dropIndex(indexInfo[0]) false arangosh> db.example.dropIndex(indexInfo[1].id) true arangosh> indexInfo = db.example.getIndexes(); [ { "id" : "example/0", "type" : "primary", "fields" : [ "_key" ], "selectivityEstimate" : 1, "unique" : true, "sparse" : false } ]