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Ferretdb
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// FerretDB — MongoDB-compatible over PostgreSQL // docker run -p 27017:27017 ghcr.io/ferretdb/ferretdb // mongosh "mongodb://localhost:27017/mydb" db.users.insertMany([ { name: "Alice", age: 30, tags: ["admin", "user"] }, { name: "Bob", age: 25, tags: ["user"] }, { name: "Carol", age: 35, tags: ["admin"] } ]); db.users.find({ age: { $gte: 30 } }); db.users.aggregate([ { $group: { _id: null, avgAge: { $avg: "$age" }, count: { $sum: 1 } } } ]);
Output
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