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  2. RedBeanPHP - Wikipedia

    en.wikipedia.org/wiki/RedBeanPHP

    RedBeanPHP is an independent, free, BSD licensed, open-source object–relational mapping (ORM) software written by Gabor de Mooij. It is a stand-alone library, not part of any framework. RedBeanPHP is an on-the-fly object–relational mapper, this means there is no upfront configuration.

  3. BSON - Wikipedia

    en.wikipedia.org/wiki/BSON

    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.

  4. Object–relational mapping - Wikipedia

    en.wikipedia.org/wiki/Object–relational_mapping

    The equivalent of ORMs for document-oriented databases are called object-document mappers (ODMs). Document-oriented databases also prevent the user from having to "shred" objects into table rows. Many of these systems also support the XQuery query language to retrieve datasets. Object-oriented databases tend to be used in complex, niche ...

  5. MongoDB - Wikipedia

    en.wikipedia.org/wiki/MongoDB

    In addition, MongoDB Inc. offers proprietary licenses for MongoDB. The last versions licensed as AGPL version 3 are 4.0.3 (stable) and 4.1.4. [53] MongoDB has been removed from the Debian, Fedora and Red Hat Enterprise Linux distributions because of the licensing change. Fedora determined that the SSPL version 1 is not a free software license ...

  6. B-tree - Wikipedia

    en.wikipedia.org/wiki/B-tree

    The root node's number of children has the same upper limit as internal nodes, but has no lower limit. For example, when there are fewer than L−1 elements in the entire tree, the root will be the only node in the tree with no children at all. Leaf nodes In Knuth's terminology, the "leaf" nodes are the actual data objects / chunks.

  7. Object–relational database - Wikipedia

    en.wikipedia.org/wiki/Object–relational_database

    An object–relational database (ORD), or object–relational database management system (ORDBMS), is a database management system (DBMS) similar to a relational database, but with an object-oriented database model: objects, classes and inheritance are directly supported in database schemas and in the query language.

  8. Object identifier - Wikipedia

    en.wikipedia.org/wiki/Object_identifier

    In computing, object identifiers or OIDs are an identifier mechanism standardized by the International Telecommunication Union (ITU) and ISO/IEC for naming any object, concept, or "thing" with a globally unambiguous persistent name.

  9. Persistent object identifier - Wikipedia

    en.wikipedia.org/wiki/Persistent_Object_Identifier

    In database design, a persistent object identifier (POID) is a unique identifier of a record on a table, used as the primary key.Important characteristics of a POID are that it does not carry business information and are not generally exported or otherwise made visible to data users; as such a POID has many of the characteristics of a surrogate key.