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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).
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 ...
"The mission of the XML Query project is to provide flexible query facilities to extract data from real and virtual documents on the World Wide Web, therefore finally providing the needed interaction between the Web world and the database world. Ultimately, collections of XML files will be accessed like databases." [7]
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
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.
Compass, Inc. operates a residential real estate brokerage in the United States. [4] [5] It has approximately 29,000 agents, who are generally independent contractors, on its platform. [2] In 2023, the company completed 178,848 transactions for a gross dollar value of $186.1 billion. It had a market share in the U.S. of 4.5%. [2]
Correctional Offender Management Profiling for Alternative Sanctions (COMPAS) [1] is a case management and decision support tool developed and owned by Northpointe (now Equivant) used by U.S. courts to assess the likelihood of a defendant becoming a recidivist.