RQUERY

RQUERY

Operator name: RQUERY

Represents: An operator used in the federated system to retrieve data from a remote data source. This operator is considered by the optimizer when: An RQUERY operator sends a SQL SELECT statement to a remote data source to retrieve the query result. The SELECT statement is generated using the SQL dialect supported by the data source, and can contain any valid query as allowed by the data source.

Performance Suggestion: Refer to Chapter 4 in the Administration Guide Vol 2, Federated Database Query and Network Tuning Information.