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Table 5 Shows space and time costs to store and retrieve XML documents in the three DBMSs

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

  Retrieval time (ms) Storage time (ms) Size in memory (KB) XML File size (KB)
ORM/MySQL 6188.5 7569.7 960 244.876
NoSQL/MongoDB 14.0 35.0 390 244.876
NoSQL/eXist 4.9 90.9 250 244.876