Basic HTML version of Foils prepared 7 October 97

Foil 46 TPC-D - a Decision Support Benchmark? Nature of Queries

From Second Part of RDBMS Discussion ARL Database Tutorial -- February 98. by Gang Cheng Marek Podgorny Chao-Wei Ou
model complex queries against a relatively large and complex database
All currently parallelizable relational operators (Oracle 7 Server) are used, including:
  • Aggregate (Group by) - Q2, Q6, Q11, Q14, Q15
  • Merge Join - Q8
  • Nested Loops - All except Q1
  • Sort (Group by) - All except Q2
  • Sort (Join) - Q8, Q12
  • Sort (Order by) - Q3, Q5, Q10, Q11, Q16
  • Sort (Unique) - Q4
  • Table Access (Full) - All

© on Mon Oct 13 1997