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Laravel, framework that contains an ORM called "Eloquent" an ActiveRecord implementation. Doctrine , open source ORM for PHP, Free software (MIT) CakePHP , ORM and framework, open source (scalars, arrays, objects); based on database introspection, no class extending
RedBeanPHP is the first library known to adopt the on-the-fly approach towards ORM. As such it has a big influence on other libraries. RedBeanPHP inspired many other projects to embrace this approach towards object mapping. Similar libraries have appeared for .NET, [1] Python, [2] JavaScript, [3] Java, [4] Erlang, [5] ColdFusion [6] and ...
Object–relational mapping (ORM, O/RM, and O/R mapping tool) in computer science is a programming technique for converting data between a relational database and the memory (usually the heap) of an object-oriented programming language.
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.
PHP 7.0 also has type declarations for function return types, expressed by placing the type name after the list of parameters, preceded by a colon. [70] For example, the getAdder function from the earlier example could be annotated with types like so in PHP 7:
When a master node is unresponsive, the first of the slave nodes will get promoted to a master role. Replication between nodes can be achieved in one of two modes: synchronous and asynchronous. Administrators can specify a list of server hosts each broker can connect to and, in the event of a failure of the master node, another will be used.
The nested set model is a technique for representing nested set collections (also known as trees or hierarchies) in relational databases.. It is based on Nested Intervals, that "are immune to hierarchy reorganization problem, and allow answering ancestor path hierarchical queries algorithmically — without accessing the stored hierarchy relation".
Spark Core is the foundation of the overall project. It provides distributed task dispatching, scheduling, and basic I/O functionalities, exposed through an application programming interface (for Java, Python, Scala, .NET [16] and R) centered on the RDD abstraction (the Java API is available for other JVM languages, but is also usable for some other non-JVM languages that can connect to the ...