Table 2.
Execution Times (in Seconds) for Query 2: “Find All Specimens Positive for Both Pseudomonas aeruginosa and Candida albicans”
| EAV/CR-Small |
EAV/CR-Big |
|||||
|---|---|---|---|---|---|---|
| Anc | NoAnc | Conv-Small | Anc | NoAnc | Conv-Big | |
| 64-Mb RAM: | ||||||
| Initial query | 3.3 | 21.3 | 6.9 | 14.3 | 141 | 25.3 |
| Cached | 0.7 | 13.6 | 4.5 | 1.5 | 139 | 11.0 |
| 128-Mb RAM: | ||||||
| Initial query | 3.7 | 22.0 | 6.8 | 12.9 | 83.5 | 25.1 |
| Cached |
0.7 |
13.7 |
4.5 |
1.4 |
49.4 |
11.2 |
| Note: Times for EAV/CR schema are displayed with and without ancestor construct. Anc indicates ancestor; NoAnc, no ancestor. | ||||||