MongoDB Tutorial: Evaluation Queries, Sub-Documents and Missing Properties
This video covers querying using the evalutation query operators ($mod, $regex, $text, and $where). It also goes over querying documents based on sub-document properties and finding null and non-existant properties.
The dataset for this is video is located at:
https://github.com/darkzebra/sample-d....
There are additional documentation of $where and its available properties and functions at:
http://docs.mongodb.org/manual/refere....
My current MongoDB books (which is a work in progress) can be found at:
https://github.com/darkzebra/mongodb-...
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