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MongoDB is a source-available, cross-platform, document-oriented database program. Classified as a NoSQL database product, MongoDB utilizes JSON -like documents with optional schemas . Released in February 2009 by 10gen (now MongoDB Inc. ), it supports features like sharding , replication , and ACID transactions (from version 4.0).
Using a graded relevance scale of documents in a search-engine result set, DCG sums the usefulness, or gain, of the results discounted by their position in the result list. [1] NDCG is DCG normalized by the maximum possible DCG of the result set when ranked from highest to lowest gain, thus adjusting for the different numbers of relevant ...
A court concluded that based on police testimony that despite having been tied up and searched, Jalloh had, in a timeframe of 20 minutes, doused the cell as well as the fire-resistant mattress in a flammable liquid (2 to 5 liters to account for the 4th-degree burns according to the court) and set himself ablaze with a lighter in his pocket that ...
Rep. Alexandria Ocasio-Cortez announced on Friday that she is jumping into the race to be the top Democrat on the influential House Oversight Committee.
A shutdown would have varied economic effects — and will definitely be taken note of by rating agencies looking at US creditworthiness — but analysts late Wednesday and early Thursday often ...
A document-oriented database is a specialized key-value store, which itself is another NoSQL database category. In a simple key-value store, the document content is opaque. A document-oriented database provides APIs or a query/update language that exposes the ability to query or update based on the internal structure in the document. This ...
A wanted man who climbed onto a roof and threw bricks and tiles at police officers has been jailed for nine years and 10 months. Kyle Ferguson, 30, caused a five-hour standoff after he went on top ...
BSON originated in 2009 at MongoDB. Several scalar data types are of specific interest to MongoDB and the format is used both as a data storage and network transfer format for the MongoDB database, but it can be used independently outside of MongoDB.