Created
October 29, 2015 20:10
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| db.orders.findOne({price: {$type: 2}}); | |
| { | |
| "_id": 3500, | |
| "item": "abc", | |
| "price": "free", | |
| "quantity": 5 | |
| } | |
| > db.orders.update( | |
| {_id: 3500}, | |
| {$set: {quantity: 12}}); | |
| Updated 1 existing record(s) in 5ms | |
| WriteResult({ | |
| "nMatched": 1, | |
| "nUpserted": 0, | |
| "nModified": 1 | |
| }) |
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