This section explains data extraction using a relational operation.

A relational operation manipulates the stream data in the input relation using selection, linkage, and aggregate functions, and extracts the resulting data as an output relation.

Organization of this section

2.3.1 Relational operation types

2.3.2 Example of a linking process

2.3.3 Example of processing using an aggregate function

2.3.4 Notes on using the linking process and the ROWS window together