Partial aggregation using hibernate

Authors:
Micha$#322/ Gawarkiewicz;Piotr Wi$#347/niewski
Affiliations:
Faculty of Mathematics and Computer Science, Nicolaus Copernicus University, Toru$#324/, Poland;Faculty of Mathematics and Computer Science, Nicolaus Copernicus University, Toru$#324/, Poland
Venue:
FGIT'11 Proceedings of the Third international conference on Future Generation Information Technology
Year:
2011

Citing 3
Cited 1

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Abstract

In this paper authors describe tools allowing for the use of partial aggregation techniques in analytical queries from the level of object-relational Hibernate mapping. Grouping queries are quite burdensome for databases. Therefore, in applications processing large amounts of data, partial aggregation is made (it should not be confused with the huge data sets, which are aggregated in data warehouses). Unfortunately, applications written using object-relational mappings cannot use this type of solutions directly. The authors decided to fill this void by adding easy-to-use tools to automatically create aggregations and very simple mechanisms to retrieve the aggregated data.