arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/74508",
"isNewlyCreated" : true,
"name" : "idx_1646382081944584194",
"selectivityEstimate" : 1,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/74512",
"_key" : "74512",
"_rev" : "_ZXF6dU2--B"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/74514",
"_key" : "74514",
"_rev" : "_ZXF6dU6---"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/74516",
"_key" : "74516",
"_rev" : "_ZXF6dU6--A"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/74518",
"_key" : "74518",
"_rev" : "_ZXF6dU6--C"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/74520",
"_key" : "74520",
"_rev" : "_ZXF6dV----"
}