arangosh> a1 = db.example.insert({ a : 1 });
{
"_id" : "example/14899",
"_key" : "14899",
"_rev" : "_VReq9u----"
}
arangosh> a2 = db.example.replace(a1, { a : 2 });
{
"_id" : "example/14899",
"_key" : "14899",
"_rev" : "_VReq9uC---",
"_oldRev" : "_VReq9u----"
}
arangosh> db.example.remove(a1);
[ArangoError 1200: precondition failed]
arangosh> db.example.remove(a1, true);
{
"_id" : "example/14899",
"_key" : "14899",
"_rev" : "_VReq9uC---"
}
arangosh> db.example.document(a1);
[ArangoError 1202: document not found]