20.6. Experiment Result
Table 20.1 provides a summary of the tests we used in our performance evaluation. We discuss our results following the table.
20.6.1. Database Size
Database size is the disk space required for storing data after the conversion procedures in the database server. Index size is also investigated. The unit of measurement is megabytes (MBs).
As shown in Figure 20.4, the native XML database needs more disk space to store both data and indexes than the XML-enabled database. The growth is almost exponential. The result is more serious as the number of records increases. For 50,000 records, the native XML database has an indexing size over 150 times that of the XML-enabled database. The XML-enabled database controls the sizing ...
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