Slow Connections to Database from 9.2 / 10.1 Clients
(Doc ID 1069772.1)
Last updated on FEBRUARY 27, 2019
Applies to:
Oracle Net Services - Version 9.2.0.1 to 10.1.0.5 [Release 9.2 to 10.1]Information in this document applies to any platform.
Effects 10.1.0.2 to 10.1.0.4 clients
Effects 9.2.0.1 to 9.2.0.6 clients
Symptoms
Remote connections to database are slow. Oracle Net level 16 client trace of a slow connection, shows the time is lost after the connection handshake has been completed, and the last packet sent to the server, show the following sql statement "Select null from dual for update nowait" is run.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |