arangosh> db.example.insert({ _key : "666", Hello : "World" });
{
"_id" : "example/666",
"_key" : "666",
"_rev" : "_ZG8LmTC---"
}
arangosh> db.example.insert({ _key : "666", Hello : "Universe" }, {overwrite: true, returnOld: true});
{
"_id" : "example/666",
"_key" : "666",
"_rev" : "_ZG8LmTC--C",
"_oldRev" : "_ZG8LmTC---",
"old" : {
"_key" : "666",
"_id" : "example/666",
"_rev" : "_ZG8LmTC---",
"Hello" : "World"
}
}