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Oracle Database 10G SQL Model Clause
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Category : Database » Oracle Database
Oracle Database 10g addresses these needs with the SQL Model clause, a . The Model clause, combined with Oracle's analytic SQL enhancements in earlier .
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Complex calculations can be challenging in SQL, specially when they involve inter-row references. Such computations will often demand elaborate SQL Joins and Union statements, code that is difficult to develop, maintain and execute efficiently. Oracle Database 10g introduces an innovative approach to complex SQL calculations: the SQL Model clause. An extension to SQL's Select statement, the Model clause enables developers to treat relational data as multidimensional arrays and define formulas on the arrays. It offers a concise, easy to read syntax and the functionality needed to handle demanding calculations. The Model clause resolves formula dependencies automatically, supporting large sets of interlinked formulas in sophisticated applications. In addition, Model clause processing employs advanced optimization techniques and data structures, for very high performance. The expressive power and ease of use of the Model clause, combined with the scalability and manageability of Oracle, provide a major advance for database applications.
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