What's Rx? Live data sources are fundamentally important in computer systems. Financial applications depend on a swift response to timely information. Computer networks have always been able to provide extensive information about their health and operation. Utility companies such as water providers have vast numbers of devices monitoring their operations. User interface and game building frameworks report user interactions in great detail.
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![How to model hierarchical data in noSQL databases – IndexOutOfRange]()
#databases
Reading time ~6 minutes Querying hierarchical data is always where the big boys of SQL shined. And I really mean the big boys part since only Oracle, and Microsoft SQL Server have support for CTE (Common Table Expressions) that allow for executing one SQL statement what will fetch a subtree. There are data modeling approaches that allow for doing hierarchical data reads with noSQL databases and databases without support for CTE. The most common and obvious example of hierarchical data is the family tr...
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