kevinadi questions

kevinadi answers

• When is mongodb change stream events cleared from the stream
• "Topology was destroyed" when using MongoDB with native driver and Express.js
• What are the sizes returned by `show collections`?
• Mongodb aggregation pipeline size and speed issue
• Possible big mistake. What exactly does "db.repairDatabase()" do? MONGODB
• How does sorting work with `$or` and `$in` queries in MongoDB?
• Why are coordinates of polygon GeoJSON Objects stored in an array of array?
• Mongo query take a long time. How make it more fast?
• Is mongodb update with query atomic?
• Method createIndex() not callable on a collection