arangosh> var examples = require("@arangodb/graph-examples/example-graph.js");
arangosh> var graph = examples.loadGraph("social");
arangosh> graph.female.save({name: "Lynda", _key: "linda"});
{
"_id" : "female/linda",
"_key" : "linda",
"_rev" : "_ZG8Lnfy--A"
}
arangosh> graph.female.update("female/linda", {name: "Linda", _key: "linda"});
{
"_id" : "female/linda",
"_key" : "linda",
"_rev" : "_ZG8Lnf2--_",
"_oldRev" : "_ZG8Lnfy--A"
}