The Best Introduction to MongoDB Query Language (MQL)
TL;DR MongoDB Query Language (MQL) is the backbone of querying, updating, and aggregating data in MongoDB. It allows flexible retrieval, transformation, and modification of JSON-like documents. Beyond the basics ($match, $group, $set, $push, etc.), recent versions – MongoDB 7.0 and 8.0, introduced powerful features like compound wildcard indexes, bitwise operators in aggregation pipelines, approximate percentiles, …
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