When should we embed one document within
another in MongoDB?
// patron document
{
_id: "joe",
name: "Joe Bookreader"
}
// address documents
{
patron_id: "joe", // reference to patron document
street: "123 Fake Street",
city: "Faketon",
state: "MA",
zip: "12345"
}
{
patron_id: "joe",
...
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