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Table 4 Response times in seconds of the six queries performed on eXist NoSQL database

From: Examining database persistence of ISO/EN 13606 standardized electronic health record extracts: relational vs. NoSQL approaches

eXist 5000 10,000 20,000 slope (*10 −6 )
Q1 0.6608 3.7834 7.3022 442.76
Q2 60.7761 129.3645 287.362 15,105.73
Q3 0.6976 1.7710 4.1172 227.96
Q4 0.6445 3.7604 7.3216 445.17
Q5 145.3373 291.2502 597.7216 30,158.93
Q6 68.3798 138.9987 475.2663 27,125.82
Database size 1.25GB 2.54GB 5.12GB  
Total extracts 5000 10,000 20,000  
  1. *stands for the multiplication sign