Created
July 18, 2024 17:57
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Example MongoDB Aggregation
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| db.reviews.aggregate([ | |
| { | |
| $group: { | |
| _id: "$bookId", | |
| averageRating: { | |
| $avg: "$rating" | |
| } | |
| } | |
| }, | |
| { | |
| $match: { | |
| averageRating: 5 | |
| } | |
| } | |
| ]); |
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