The SQL procedure provides another way to select and combine data. For example, suppose you have three data sets: two view descriptors, VLIB.CUSPHON and VLIB.CUSORDR, which are based on the ORACLE ...

The first example illustrates using the SQL procedure to combine data from three sources. The second example shows how to use the PROC SQL GROUP BY clause to create new variables from data described ...

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Applications that use the Jakarta Persistence API shouldn’t embed too much raw SQL in their code. However, when you need an SQL query for performance reasons or to access the database in a way that ...

Ahana Cloud for Presto turns a data lake on Amazon S3 into what is effectively a data warehouse, without moving any data. SQL queries run quickly even when joining multiple heterogeneous data sources.