Query on CDB_* Views Hang on ADG
(Doc ID 2292583.1)
Last updated on MARCH 09, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
The symptom of this issue is some queries on CDB_* views spin on parse stage, it never finished. The following is a sample tkprof output:
comment: this issue only happens on ADG+CDB environment.
Changes
none.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |