| S. Agarwal, A. Keller. The Power Tier Server, A Technical Overview. White paper. Persistence Software, USA,1998. |
....the queries are closely connected to objects of one class only, or whether they involve traversing an object graph must also be taken into consideration when choosing a mapping approach. In some cases denormalized tables and redundant data can be accepted to optimize access time [ONTOS 98, Agarwal Keller 98] There is, however, always a trade off between flexibility and performance. Flexibility would be increased if the tables were kept 12 normalized. For ease of maintenance, one single mapping approach could be applied for the entire system, which may be a reason for choosing a more generic and ....
S. Agarwal, A. Keller. The Power Tier Server, A Technical Overview. White paper. Persistence Software, USA,1998.
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