Simulator for Database Aggregation using Metadata
Autor: | Kumar, Sandeep |
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EAN: | 9783848438709 |
Sachgruppe: | Informatik, EDV |
Sprache: | Englisch |
Seitenzahl: | 88 |
Produktart: | Kartoniert / Broschiert |
Veröffentlichungsdatum: | 29.03.2013 |
Schlagworte: | Digitale Musik: Anwenderinformation Digitales Video: Anwenderinformation E-Book-Reader, Tablets, Handheld-Geräte: Anwenderinformation Mobiltelefone, Smartphones: Anwenderinformation |
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The 'Simulator for Database Aggregation using Metadata' addresses the problem of hardcoded end-user applications by sitting between the end-user application and the DBMS, and intercepting the end user's SQL. With a Simulator for Database Aggregation using metadata, the end-user application now speaks "base-level" SQL and never attempts to call for an aggregate directly. Using metadata describing the data warehouse's portfolio of aggregates, the aggregate navigator transforms the base-level SQL into "simulator-aware" SQL. The end user and the application designer can now proceed to build and use applications, blissfully unaware of which aggregates are available.