Separate HTML for Basic Foil 5 Motivations for Parallel Databases -- I:<br>Overview of Parallel Database Appeal

Basic HTML version of Foils prepared 7 October 97

Foil 5 Motivations for Parallel Databases -- I:
Overview of Parallel Database Appeal

From untitled presentation ARL Database Tutorial -- February 98. by Gang Cheng Marek Podgorny Chao-Wei Ou

scalability
system expandability alleviates migration problems
- business branches of different size can use the same technology
power and price/performance ratio
- nCUBE + Oracle capable of >100 tps at ~$2000/tps (TPC-B benchmark, compare with 425 tps for 4*VAX cluster at $16,500/tps)
simultaneous OLTP and complex Decision Support queries (single enterprise image
High availability
Integrability
- parallel Oracle RDBMS integrates as easily as conventional RDBMS
does not require re-investment in application software
- Industry standard database language - SQL (Structured Query Language)
- Parallelization is carried out at RDBMS server side
- Migration to parallel RDBMS is painless (compare to scientific applications)