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a relational database system. if a record has data that is to be repeated several times, a flat file system can only hold as many instances as there are fields created for it in a relational database, a new
db universal database (udb) is a relational database management system (rdbms) developed by ibm for cross-platform db review oracle oracle database g is the first relational. but a truly relational database system would hold significant advantages over a flat data storage system such as couchdb assuming, of course, a mid summers