mongodb add to array if not exists
db.tags.update(
{name: 'sport'},
{$addToSet: { videoIDs: "34f54e34c" } }
);mongodb add to array if not exists
db.tags.update(
{name: 'sport'},
{$addToSet: { videoIDs: "34f54e34c" } }
);Copyright © 2021 Codeinu
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