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Amazon DocumentDB is a managed proprietary NoSQL database service that supports document data structures, with some compatibility with MongoDB version 3.6 (released by MongoDB in 2017) and version 4.0 (released by MongoDB in 2018). As a document database, Amazon DocumentDB can store, query, and index JSON data. It is available on Amazon Web ...
MongoDB is a source-available, cross-platform, document-oriented database program. Classified as a NoSQL database product, MongoDB uses 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).
DELETE requires a shared table lock; Triggers fire; DELETE can be used in the case of: database link; DELETE returns the number of records deleted; Transaction log - DELETE needs to read records, check constraints, update block, update indexes, and generate redo / undo. All of this takes time, hence it takes time much longer than with TRUNCATE
The central concept of a document-oriented database is the notion of a document.While each document-oriented database implementation differs on the details of this definition, in general, they all assume documents encapsulate and encode data (or information) in some standard format or encoding.
It is also used by the Human Metabolome Database (HMDB) [21] and the Toxin and Toxin-Target Database (T3DB). [22] MongoDB Atlas Search – a cloud-native enterprise search application based on MongoDB and Apache Lucene; OpenSearch – an open source enterprise search server based on a fork of Elasticsearch 7
Adabas is an acronym for Adaptable Data Base System [16] (originally written in all caps; today only the initial cap is used for the product name). Adabas is an inverted list data base, with the following characteristics or terminology: Works with tables (referred to as files) and rows (referred to as records) as the major organizational units.
Additionally, Google indexes some file types, being able to show users PDFs, Word documents, Excel spreadsheets, PowerPoint presentations, certain Flash multimedia content, and plain text files. [16] Users can also activate " SafeSearch ", a filtering technology aimed at preventing explicit and pornographic content from appearing in search results.
Classic geological compass (Brunton), sideview Classic geological compass (Brunton), topview. There are a number of different specialized magnetic compasses used by geologists to measure orientation of geological structures, as they map in the field, to analyze and document the geometry of bedding planes, joints, and/or metamorphic foliations and lineations.