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The Key to Effective UDF Optimization: Before Inlining, First Perform Outlining

SQL is the de facto query language used to interact with databases. Since SQL is declarative, users express the intended result of their query rather than the concrete procedural steps to produce the ...
Simon Fraser University

Using a Pass-Through Query in a Subquery

Note: This example uses a Version 6 view descriptor with the Pass-Through Facility to access DBMS data. Beginning in Version 7, you can associate a libref directly with your DBMS data and use the ...