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Oracle® Big Data Connectors User's Guide
Release 2 (2.1)

Part Number E36961-05
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PDF · Mobi · ePub

orch.connected

Checks whether Oracle R Connector for Hadoop is connected to Oracle Database.

Usage

orch.connected()

Return Value

TRUE if Oracle R Connector for Hadoop has a connection to Oracle Database, or FALSE if it does not.

Example

This example shows that Oracle R Connector for Hadoop does not have a connection to Oracle Database:

R> orch.connected()[1] TRUE