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State-based CRDTs (also called convergent replicated data types, or CvRDTs) are defined by two types, a type for local states and a type for actions on the state, together with three functions: A function to produce an initial state, a merge function of states, and a function to apply an action to update a state.
Without concurrency control, if someone is reading from a database at the same time as someone else is writing to it, it is possible that the reader will see a half-written or inconsistent piece of data.
MongoDB Atlas, its managed cloud service, operates on AWS, Google Cloud Platform, and Microsoft Azure. Current versions are licensed under the Server Side Public License (SSPL). MongoDB is a member of the MACH Alliance.
The Server Side Public License (SSPL) is a source-available copyleft software license introduced by MongoDB Inc. in 2018. [2] [3]It includes most of the text and provisions of the GNU Affero General Public License version 3 (AGPL v3), [4] but modifies its provisions for software that is conveyed over a network—requiring that anyone who offers the functionality of SSPL-licensed software to ...
The company was first established in 2007 as 10gen. Based in New York City, 10gen was founded by former DoubleClick founder and CTO Dwight Merriman and former DoubleClick CEO and Gilt Groupe founder Kevin P. Ryan with former DoubleClick engineer and ShopWiki founder and CTO Eliot Horowitz and received $81 million in venture capital funding from Flybridge Capital Partners, In-Q-Tel, Intel ...
MongoDB: MongoDB Inc. Document Store DBMS 4.0.10 MongoDB: 2009 Mono: Novell (now Xamarin) Open source implementation of Microsoft's .NET application framework 6.0.0 Mono 2004 Mule: MuleSoft Enterprise service bus and integration platform 3.9.0 Mule 2003 MySQL Enterprise: Oracle Corporation: RDBMS: 8.0.17 MySQL Community 1995 Neo4j: Neo4j: Graph ...
However, modern NoSQL databases often incorporate advanced features to optimize query performance. For example, MongoDB supports compound indexes and query-optimization strategies, Cassandra offers secondary indexes and materialized views, and Redis employs custom indexing mechanisms tailored to specific use cases.
The tools listed here support emulating [1] or simulating APIs and software systems.They are also called [2] API mocking tools, service virtualization tools, over the wire test doubles and tools for stubbing and mocking HTTP(S) and other protocols. [1]