Troubleshooting ORA-12547 TNS: Lost Contact (Doc ID 555565.1) This error can occur in following scenarios: Bequeath (Local) : The following/below are common scenarios in which 12547 occurs while making a BEQ connection. Problem:- BEQ connection fails…

In this Document   Purpose   Troubleshooting Steps   What is a 'library cache: mutex X' wait?   What causes 'library cache: mutex X' wait?   Name of events in 12c and higher   How to diagnose the cause.   How to Examine the Diagnostics.   Potential S…

Master Note: Troubleshooting guide for Automatic Undo Management (Doc ID 1579081.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 9.2.0.1 to 12.1.0.1 [Release 9.2 to 12.1]Information in this document applies to any platform. PURPOSE This…

APPLIES TO: Oracle Database Cloud Schema Service - Version N/A and laterOracle Database Exadata Cloud Machine - Version N/A and laterOracle Database Exadata Express Cloud Service - Version N/A and laterOracle Cloud Infrastructure - Database Service -…

Copyright (c) 2018, Oracle. All rights reserved. Oracle Confidential. Click to add to Favorites Troubleshooting: High Version Count Issues (Doc ID 296377.1) To BottomTo Bottom In this DocumentPurpose Ask Questions, Get Help, And Share Your Experience…

Troubleshooting ORA-30036 - Unable To Extend Undo Tablespace (Doc ID 460481.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 9.2.0.1 to 11.2.0.2 [Release 9.2 to 11.2]Oracle Database - Enterprise Edition - Version 11.2.0.3 to 11.2.0.3 [Re…

Troubleshooting ORA-30013 Error (Doc ID 1578717.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 10.2.0.1 to 12.1.0.1 [Release 10.2 to 12.1]Information in this document applies to any platform. PURPOSE This troubleshooting guide is for r…

Troubleshooting ORA-1628 - max # extents (32765) reached for rollback segment <SEGMENT_NAME> (Doc ID 1580182.1) APPLIES TO: Oracle Database Cloud Schema Service - Version N/A and laterOracle Database Exadata Cloud Machine - Version N/A and laterOrac…

LOBs and ORA-01555 troubleshooting (Doc ID 846079.1) APPLIES TO: Oracle Database Cloud Schema Service - Version N/A and laterOracle Database Exadata Express Cloud Service - Version N/A and laterOracle Database Exadata Cloud Machine - Version N/A and…

Troubleshooting ORA-01555/ORA-01628/ORA-30036 During Export and Import (Doc ID 1579437.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 9.2.0.1 to 11.2.0.4 [Release 9.2 to 11.2]Information in this document applies to any platform. PURPOS…