一.背景 今天有用户反映数据库连不上了,查看日志发现有数据库坏块. 查看数据库日志,有如下报错: ORA-01578: ORACLE , 93642) ORA-01110: 1: '/oracle/app/orcldata/orcl/system01.dbf' ORACLE Instance orcl (pid = 13) - Error 1578 encountered while recovering transaction (89, 2) on object 226. Errors in

查询表空间对应地址 *),) total_space from dba_data_files order by tablespace_name; //方案一:修改表空间大小(32000可改为想要的数值) alter database datafile '要修改的数据文件地址' resize 32000m; //方案二:新增数据文件 ALTER TABLESPACE 表空间名(例如USERS) ADD DATAFILE '新的数据文件路径' SIZE 500M AUTOEXTEND ON NEXT

SRDC - ORA-22924 or ORA-1555 on LOB data: Checklist of Evidence to Supply (Doc ID 1682707.1) Action Plan 1. Check for LOB Corruption usingsrdc_corrupt_LOB.sql script. Collect the spool output.  脚本检查LOB损坏 --srdc_corrupt_LOB.sql REM srdc_corrupt_LOB.sq

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

APPLIES TO: Oracle Database - Enterprise Edition - Version 8.1.5.0 and laterInformation in this document applies to any platform. GOAL How to release Temp LOB Segment that has been created explicitly or implicitly by Oracle for intermediate stages of

[Oracle]ORA-600[kdBlkCheckError]LOB坏块处理 客户环境报如下错误: ORA - 00600: Internal error code, arguments: [kdBlkCheckError], [2], [10388], [63068], [], [], [], [], [], [], [], [] alert log 中有这样的信息: Thu Sep 07 19:14:00 2017Corrupt Block Found        CONT = 0, T

一.  官方说明 Oracle 11gR2 文档: LOB Storage http://download.oracle.com/docs/cd/E11882_01/appdev.112/e18294/adlob_tables.htm#ADLOB45267 Oracle 10gR2 文档: LOBs in Tables http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14249/adlob_tables.htm#sthref165

LOB相关的概念 LOB类型: 将信息文件(十进制.二进制).图像甚至音频信息采用数据库作为保存载体时,就需要使用lob类型数据. 有两种Lob,Internal Lob和External Lob.Internal Lob是指Lob数据存储在Oracle数据文件里,External Lob是指Lob数据存储在数据库外部的操作系统中. CLOB:        存储大量.单字节.字符数据,存储在内部表空间,用于存储字符串类型的Lob,如文本和XML文件等,字符串已数据库字符集编码. NLOB:  

基本关系:数据库---表空间---数据段---分区---数据块 数据段(segment)段(segment)由一系列的extent组成.通常一张表是一个segment. Oracle中的段可以分成4种类型:数据段.索引段.回滚段.临时段.数据段用来存储用户的数据,每个表都有一个对应的回滚段,其名称和数据表的名字相同.索引段用来存储系统.用户的索引信息.回滚段用来存储用户数据修改前的值,回退段与事务是一对多的关系,一个事务只能使用一个回退段,而一个回退段可存放一个或多个事务的回退数据.临时段用于o

ORACLE-BASE - ALTER TABLE ... SHRINK SPACE Command : Online Segment Shrink for Tables, LOBs and IOTshttps://oracle-base.com/articles/misc/alter-table-shrink-space-online Shrink Space Examples Here are some simple examples of the ALTER TABLE ... SHRIN

Lob retention not changing when undo_retention is changed (Doc ID 563470.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 8.1.7.4 to 10.2.0.5 [Release 8.1.7 to 10.2]Oracle Database Exadata Cloud Machine - Version N/A and laterOracle Clou

Oracle数据库lob大对象数据类型字段总结,值得收藏 原创 波波说运维 2019-07-11 00:02:00 https://www.toutiao.com/i6710894326970335757/ 概述 今天主要对Oracle数据库lob大对象数据类型字段的详细讲解,介绍ORACLE提供的CLOB,NCLOB,BLOB,BFILE共四种LOB类型. LOB概念 lob为Oracle数据库的一个大对象数据类型,可以存储超过4000bytes的字符串,二进制数据,OS文件等大对象信息.最大

Oracle  DBA 必须掌握的 查询脚本: 0:启动与关闭 orcle 数据库的启动与关闭 1:连接数据库 2:数据库开启状态的实现步骤:       2-1:启动数据库           2-1-1正常启动数据库: SQL> startup                       特点:启动数据库,分配内存,打开实例,启动后台进程,数据库处于open状态         2-1-2:进入nomount状态 SQL> startup nomount                 

alert日志报以下提示: Corrupt block relative dba: , block ) Fractured block found during backing up datafile Data in bad block: type: format: rdba: 0x04c20df1 last change scn: 0x0000.189926c6 seq: 0x2 flg: 0x04 spare1: 0x0 spare2: 0x0 spare3: 0x0 consistency

Export Receives The Errors ORA-1555 ORA-22924 ORA-1578 ORA-22922 (Doc ID 787004.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]Oracle Database - Enterprise Edition - Version 9.2.0.1 to 11.2.0.3 [Relea

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

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 co

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

最近一直想用sql来生成oracle的健康检查报告,这样看起来一目了然,经过网上搜资料加自己整理终于算是成型了,部分结果如下图所示, 具体参考附件,恳请广大网友看看是否还有需要添加的地方. DB_healthcheck_by_lhr_ORADG11G_20150826160539.zip ORADG11G 数据库巡检报告 Copyright (c) 2015-2100 (http://blog.itpub.net/26736162) lhrbest. All rights reserved. 巡

分享ORACLE数据库恢复神器之ODU.DUL和AUL工具. ODU:ORACLE DATABASE UNLOADER DUL:DATA UNLOADER AUL:也称MyDUL 关于三种工具说明: (1)Oracle 的内部工具是DUL(Data UnLoader).这个需要Oracle 的支持. (2)老熊写的ODU   网址:http://www.oracleodu.com/en/ (3)d.c.b.a (支付宝 楼方鑫)写的AUL. 网址:http://www.anysql.net/do