CPC Subgroup
G06F 16/2291 Full Title
Information retrieval; Database structures therefor; File system structures therefor > of structured data, e.g. relational data > Indexing; Data structures therefor; Storage structures
G06F 16/2291 Information retrieval; Database structures therefor; File system structures therefor > of structured data, e.g. relational data > Indexing; Data structures therefor; Storage structures