orm object relational mapping word block on white

orm objectrelational mapping database framework entities relationships sql schema persistence ormframework model tables queries sqlqueries data abstraction crud transactions integration mappingengine objects sqldatabase java hibernate entity attributes repository persistencelayer session ormtools schemamapping associations dataaccess sqlstatements objectmapping datamodel objectoriented databasemapping activerecord objectmodel queryoptimization mappinglayer objectpersistence relationaldatabase datastorage datarepresentation ormlibraries objectrelationalmapper datamanagement ormsupport sqloperations entityframework objectmappingframework dataaccesslayer modelrelationships ormsolutions objectpersistencelayer querylanguage ormintegration objectdatabase schemadesign dataaccessobjects ormperformance sqldata ormconfiguration entitymapping ormconcepts databaseinteraction modelmapping