arangosh> a1 = db.example.insert({ a : 1 });
{
"_id" : "example/14940",
"_key" : "14940",
"_rev" : "_UWy-KkK---"
}
arangosh> a2 = db.example.replace("example/3903044", { a : 2 });
{
"_id" : "example/3903044",
"_key" : "3903044",
"_rev" : "_UWy-KkK--_",
"_oldRev" : "_UWy-KkG---"
}