Oracle11G分区表 当表中的数据量不断增大,查询数据的速度就会变慢,应用程序的性能就会下降,这时就应该考虑对表进行分区.表进行分区后,逻辑上表仍然是一张完整的表,只是将表中的数据在物理上存放到多个表空间(物理文件上),这样查询数据时,不至于每次都扫描整张表. 作用: Oracle的表分区功能通过改善可管理性.性能和可用性,从而为各式应用程序带来了极大的好处.通常,分区可以使某些查询以及维护操作的性能大大提高.此外,分区还可以极大简化常见的管理任务,分区是构建千兆字节数据系统或超高可用性系统

安装Oracle 11gR2,报错:[INS-06101] IP address of localhost could not be determined 出现这种错误是因为主机名和/etc/hosts 文件不一致. 1./etc/sysconfig/network[root@rac2 11.2.2]# cat /etc/sysconfig/networkNETWORKING=yesHOSTNAME=rac2 2./etc/hosts[root@rac2 11.2.2]# vi /etc/hos

http://blog.csdn.net/qq_19524879/article/details/51313205 ORACLE 11G 导出报错(EXP-00003)未找到段 (0,0) 的存储定义 具体原因网上百度很简单 下面是解决办法 select 'alter table '||table_name||' allocate extent;' from user_tables where num_rows=0; 然后吧生成的 alter table  xxxx  allocate exte

Oracle Client安装报错:引用数据不可用于验证此操作系统分发的先决条件 http://tunps.com/p/11797.html 原因是Oracle Client 11g版本不支持最新的Win10系统. 打开Oracle Client 11g安装包目录:\client\stage\cvu 编辑该目录下的两个xml文件:oracle.client_InstantClient.xml和cvu_prereq.xml <OPERATING_SYSTEM RELEASE="6.2&quo

mysql中大数据表alter增加字段报错:"1034 Incorrect key file for table 'table_name'; try to repair it" 现象描述: mysql中大数据表执行alter增加字段时,/tmp的目录爆满,并且报错"1034 Incorrect key file for table 'table_name'; try to repair it". 故障分析: 1.查询MySQL官网得知: *“ALTER TABLE运

Oracle Online Patching报错"This is not a RAC setup. OPatch cannot determine the local node name" 问题描述 Oracle 11.2.0.4.0有一个BUG为 Bug 18034737 - Tracefiles from wxxx space management slave processes after upgrade to 11.2.0.4 (Doc ID 18034737.8). 具体会一

alert报错 2019-01-12T10:10:11.499130+08:00Errors in file /u01/app/oracle/diag/rdbms/rac1/rac112/trace/rac112_j000_119621.trc:ORA-12012: error on auto execute of job "SYS"."ORA$AT_OS_OPT_SY_7458"ORA-20001: Statistics Advisor: Invalid task

现象:在Oracle 12.2.0.1 RAC环境,在其ASM实例中,如果添加不同大小或者不同数量的LUN到failgroup中,会报错: ORA-15032: not all alterations performed ORA-15410: Disks in disk group OCRVT do not have equal size. 或者 ORA-15032: not all alterations performed ORA-15411: Failure groups in disk

1.数据库启动报错: ORA-: out of memory SQL> startup pfile='/db/oracle/init.ora'; ORA-: out of memory Linux-x86_64 Error: : No space left on device Additional information: - Additional information: .内存不足?查看操作系统内存: $ free -h total used free shared buffers cach

11.2.0.2,expdp报错: ORA-39126: Worker unexpected fatal error in KUPW$WORKER.GET_TABLE_DATA_OBJECTS []ORA-31642: the following SQL statement fails:BEGIN "SYS"."DBMS_CUBE_EXP".SCHEMA_CALLOUT(:1,0,1,'11.02.00.00.00'); END;ORA-06512: at &quo

Oracle环境:oracle 10.2.0.1 创建的 public dblink 连接oracle 11.2.0.3 ORA-01017: invalid username/password; logon denied    ORA-02063: preceding line from <link_name> 一．创建dblink create public database link dmz63 connect to xyy  identified by xyy using '(DESC

Linux查看已经分好的区[root@linuxidc ~]# fdisk -l /dev/sda   Disk /dev/sda: 21.5 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders Units = cylinders of 16065 * 512 = 8225280bytes Sector size (logical/physical): 512 bytes /512 bytes I/O size (m

分区的过程正常: [root@db1 /]# fdisk -l   Disk /dev/sda: 21.4 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes      Device Boot      Start         End      Blocks   Id  System /dev/sda1   *  

今天修改oracle数据库内存时, alter system set memory_max_target=10240M scope=spfile;语句正确修改:但重启时却报错 : SQL> alter system set memory_max_target=10240M scope=spfile; System altered. SQL> shutdown immediateDatabase closed.Database dismounted.ORACLE instance shut do

这边出现报错: 简单查了下资料发现: https://blog.csdn.net/lichkui/article/details/5489708 在imp 的命令后面 增加buffer 即可 比如 imp system/Test6530@ora11r2 fromuser=a touser=b file=x log=y buffer=10240000

使用plsql连接时,发现报ora-28040 No matching authentication protocol 赶紧查了查MOS,原来在默认情况下Oracle12.2对客户端版本有限制, 解决方法:升级Oracle客户端或者修改sqlnet.ora中的以下两个参数控制: SQLNET.ALLOWED_LOGON_VERSION_SERVER=10 SQLNET.ALLOWED_LOGON_VERSION_CLIENT=10 select username, account_status,

报错信息如下: >>> Couldnot execute auto check for display colors using command /usr/bin/xdpyinfo.Check if the DISPLAY variable is set. Failed <<<< 解决方法: # 如果是使用xshell登录 重新从Oracle用户直接登录(不要从root用户切换) 执行xhost + 执行安装命令

OS 版本     :HP-UX B.11.31Oracle版本:11.2.0.4 (RAC) (一)问题描述 最近发现无法连接上数据库,报错信息为“ORA-00020:maximum number of processes (3000) exceeded”,很明显是数据库的进程数量已经达到了最大值,可用过v$process确认 SQL> select count(*) from v$process; COUNT(*) ---------- 于是打算将数据库参数processes改大一些,直接修

一.命令找不到 xhost:command not found yum whatprovides "*/xhost" Loaded plugins: product-id, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. : ... xorg-x11-

近期在客户的一个8i生产库上使用statspack.发现alert中有报错: Mon Jun 16 13:17:52 2014 Errors in file /oracle/8.1.7/admin/prod/bdump/snp0_96626_prod.trc: ORA-12012: error on auto execute of job 304 ORA-01631: max # extents (505) reached in table PERFSTAT.STATS$SQL_SUMMARY

执行DDL报错 在oracle存储过程中,默认是可以直接执行DML和DQL的,但是执行CREATE这种的DDL则需要借助EXECUTE IMMEDIATE 如: create or replace procedure CREATE_TABLE(CREATE_SQL VARCHAR2) IS BEGIN EXECUTE IMMEDIATE CREATE_SQL; --'CREATE TABLE T_CREATE_TABLE_1(COLUMN_1 VARCHAR2(50))' end CREATE_