db.yourCollectionName.aggregate([ { $project: { keys: { $objectToArray: "$$ROOT" } } }, { $unwind: "$keys" }, { $group: { _id: null, allKeys: { $addToSet: "$keys.k" } } }, { $project: { _id: 0, allKeys: 1 } } ])
Physician Succession Planning: Protect Your Medical Real Estate
Retirement planning involves more than deciding when to leave a practice. Physician succession planning should also address the property supporting it: ownership structure, lease…