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Table 2 Response times in seconds of the six queries performed on MySQL relational ORM database

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

ORM

5000

10,000

20,000

slope (*10 −6 )

Q1

0.0429

209.0284

1082.7872

72,182.95

Q2

101.6196

>10,000

>10,000

>>

Q3

0.1256

4.1982

12.6110

832.36

Q4

0.1843

400.6388

1598.7410

106,570.45

Q5

200.8954

>10,000

>10,000

>>

Q6

0.7362

65.1898

185.2420

12,300.39

Database size

4.8GB

9.7GB

19.8GB

 

Total extracts

5000

10,000

20,000

 
  1. *stands for the multiplication sign