The Problem of Objects and Relational Data StructuresThe Problem with ORMsORMs Are Hairy and ComplexORMs Aren’t PerformantORMs Neutered SQLComplicated ArchitecturePHP Is Mostly CRUDMongoDB, Optimized for OperationMongoDB Is a Document DatabaseDocument == ArrayDatabasesCollectionsDocumentsMongoDB Is Optimized for CRUD OperationsOptimal Interface for DevelopersOptimal PerformanceOptimal SimplicityThe Value of Consistency