🔍 New Aggregations Operators:

• $median: Calculate the median value in a group
• $percentile: Calculate the percentile value in a group

⏱️ Time Series:

• Optimized for storing, querying, and processing time-series data

🔍 Compound Wildcard Indexes:

• Wildcard index on a single field

📊 Atlas Search Index Management:

• Fine-grained text indexing and querying of data

🔄 Change Stream:

• Inform downstream systems once data is updated

🔒 Queryable Encryption:

• End-to-end encryption of sensitive data
• Query encrypted data without decrypting

Editor

Danny Chan, specialty of FSI and Serverless

Kenny Chan, specialty of FSI and Machine Learning