undo

LOBs and ORA-01555 troubleshooting (Doc ID 846079.1) APPLIES TO: 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 Cloud Infrastructure - Database Service - Version N/A and later Oracle Database Backup Service - Version N/A and later Information in this document applies to any platform. ***Checked for relevance on 06-Aug-2016*** PURPOSE This document provides troubleshooting steps to resolve ORA-01555 for LOB objects. It also discusses known

SRDC - ORA-1555 during Export: Checklist of Evidence to Supply (Doc ID 1682706.1) Action Plan 1. Execute srdc_db_undo_1555-1.sql as sysdba and collect the spool output. 以sysdba身份执行 --srdc_db_undo_1555-1.sql REM srdc_db_undo_1555-1.sql REM collect collect Undo parameters and Segments details. define SRDCNAME='DB_Undo_1555-1' set pagesize 200 verify off sqlprompt "" term off entmap off echo off set markup html on spool on COLUMN SRDCSPOOLNAME NOPRINT NEW_VALUE SRDCSPOOLNAME select 'SRDC_'||upper('&&SRDCNAME')||'_'||upper(instance_name)||'_'|| to_char(sysdate,'YYYYMMDD_HH24MISS') SRDCSPOOLNAME

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. PURPOSE Purpose of this document is to have a checklist for troubleshooting ORA-01555/ORA-01628/ORA-30036 during export and import. 本文档旨在提供一个清单，用于在导出和导入期间对ORA-01555/ORA-01628/ORA-30036进行故障排除 This note will also discuss some known issues on this subject. 本说明还将讨论有关此主题的一些已知问题 TROUBLESHOOTING STEPS Before diagnosing undo errors reported during export and

SRDC - ORA-1555: Query Duration 0: Checklist of Evidence to Supply (Doc ID 1682704.1) Action Plan 1. Execute srdc_db_undo_1555-1.sql as sysdba and provide the spool output DB_Undo_1555-1.html 以sysdba的身份执行 --srdc_db_undo_1555-1.sql REM srdc_db_undo_1555-1.sql REM collect collect Undo parameters and Segments details. define SRDCNAME='DB_Undo_1555-1' set pagesize 200 verify off sqlprompt "" term off entmap off echo off set markup html on spool on COLUMN SRDCSPOOLNAME NOPRINT NEW_VALUE SRDCSPOOLNAME select 'SRDC_'||upper('&&SRDCNAME')||'_'||upper(instance_name)||'_'|| to_char(sysdate,'YYYYMMDD

Troubleshooting ORA-01555 - Snapshot Too Old: Rollback Segment Number "String" With Name "String" Too Small (Doc ID 1580790.1) APPLIES TO: Oracle Fusion Global Human Resources Cloud Service - Version 11.1.10.0.0 to 11.1.10.0.0 [Release 1.0] Oracle Database - Enterprise Edition - Version 9.2.0.1 to 11.2.0.4 [Release 9.2 to 11.2] Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1] Oracle Database - Standard Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2] Oracle Database - Standard Edition - Version 11.2.0.3 to 11.2.0.3 [Release 11.2] Information in this

ORA-01555 When Max Query Length Is Less Than Undo Retention, small or 0 Seconds (Doc ID 1131474.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.2 [Release 10.2 to 11.2] Oracle Database - Enterprise Edition - Version 11.2.0.3 to 11.2.0.4 [Release 11.2] 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 Information in this document applies to any platform. SYMPTOMS Symptoms: - A job or process is

SRDC - ORA-1552: Checklist of Evidence to Supply (Doc ID 1681333.1) Action Plan 1. Execute srdc_db_undo_config.sql as sysdba and provide the spool output 以sysdba身份执行脚本 --srdc_db_undo_config.sql REM srdc_db_undo_config.sql REM collect Undo parameters,segment and transaction details for troubleshooting high Undo space usage issues define SRDCNAME='DB_Undo_Space' set pagesize 200 verify off sqlprompt "" term off entmap off echo off set markup html on spool on COLUMN SRDCSPOOLNAME NOPRINT NEW_VALUE SRDCSPOOLNAME select 'SRDC_'||upper('&&SRDCNAME')||'_'||upper(instance_name)||'_'|| to_char(sysdate,

Troubleshooting Guide (TSG) - ORA-01552: Cannot Use System Rollback Segment for Non-System Tablespace (Doc ID 1579215.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 9.2.0.1 and later Oracle Database Cloud Schema Service - Version N/A and later Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Cloud Infrastructure - Database Service - Version N/A and later Oracle Database Cloud Exadata Service - Version N/A and later Information in this document applies to any platform. ***Checked for relevance on 24-Aug-2017*** PURPOSE The Purpose of this document is to have a

1、查看使用率： set lines 2000 col USED_PER for a60 SELECT A.TABLESPACE_NAME AS TABLESPACE_NAME, ROUND(TOTAL/1024/1024/1024,3) AS TOTAL_GB, ROUND(FREE/1024/1024/1024,2) AS FREE_GB, ROUND(( TOTAL - FREE )/1024/1024/1024,2) AS USED_GB, TO_CHAR(ROUND(( TOTAL - FREE ) / TOTAL * 100, 2),'90.99')||'%' AS USED_PER FROM (SELECT TABLESPACE_NAME, SUM(BYTES) FREE FROM DBA_FREE_SPACE GROUP BY TABLESPACE_NAME) A, (SELECT TABLESPACE_NAME, SUM(BYTES) TOTAL FROM DBA_DATA_FILES GROUP BY TABLESPACE_NAME) B WHERE A.TABLESPACE_NAME = B.TABLESPACE_NAME order by USED_PER desc; 2、查看各状态undo使用情况统计 select tablespace_name