Relational Operator

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/riˈleɪʃənəl ˈɑpərˌeɪtər/

With the correlation it operates more like a user-defined relational operator.
Blanks can be used on either side of a relational operator, but blanks cannot be used to separate a two-character operator, such as ==.
A new relational operator Sj-reduce is introduced in this paper. Using the Sj-reduce can directly solve the cyclic query at a lower communication cost in distributed databases.
Edit the XML Relational Mapping operator, deleting all column definitions except those required by the target table.
Complete the following steps to add an XML Relational Mapping operator, connecting it to the output of your source table.

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