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Oracle entry-Oracle startup error ORA-03113"

In the morning to connect to Oracle, oracle can not work normally, can not shutdown immediate Mode to close, shutdown abort mode to close and then start, the error message "ORA-03113 end-of-file on communication channel" appears"The alter log information is analyzed as follows:Errors in file/u01/diag/rdbms/online/trace/online_ora_1544.trc:ORA-19815: Warning: db_r

Oracle performance optimization and oracle database performance optimization

Oracle performance optimization and oracle database performance optimization (1)Select the most efficient table name sequence (valid only in the rule-based Optimizer ):The ORACLE parser processes the table names in the FROM clause in the order FROM right to left. The table written in the FROM clause (basic table driving table) will be processed first, when the FR

Oracle connects Oracle via Dblink

/gridExport Oracle_home= $ORACLE _base/product/11.2.0/db_1Export ORACLE_SID=RAC1Export Base_path=/usr/sbin: $PATHExport path= $ORACLE _home/bin: $BASE _path:/usr/binExport ld_library_path= $ORACLE _home/lib:/lib:/usr/lib:/usr/local/lib: $ORACLE _home/hs/lib:/usr/lib64Export classpath= $

Manually create an Oracle database in Windows

:/Oracle/oradata/orarman/redo01b. log') size 5 m,Group 2 ('d:/Oracle/oradata/orarman/redo02a. log ','D:/Oracle/oradata/orarman/redo02b. Log ') size 5 m,Group 3 ('d:/Oracle/oradata/orarman/redo03a. log ','D:/Oracle/oradata/orarman/redo03b. log') size 5 mMaxlogfiles 32Maxlogme

Backup, recovery, and multiplexing of Oracle Control Files

here. Also, careful readers should find out that I am a very careful person, my control files are in two copies. In this case, if one of my control files is accidentally deleted or damaged, I have another control file to ensure the normal operation and startup of my database (I accidentally introduced the multiplexing technology in advance ...... More detailed configuration and resolution will be provided later ).I want to go into details about the role of control files? As many as 90 years old

Oracle uses RMAN to directly Restore the database from 10g to 11g.

With the upgrade of the Oracle version, RMAN is also enhanced. RMAN in Oracle11g supports the use of different operating systems and different databases. For the compatibility of RMAN, refer: Oracle RMAN compatibility and FAQs between different versions and different platforms This article demonstrates an example of restoring 10 Gb to 11 GB in linux. Target end: OS: Ora

Oracle Enterprise Manager Cloud Control 12c R4 installation Configuration

oracle Useradd-g oinstall-G dba, role, asmadmin oracle Passwd oracle # Creating a directory Mkdir-p/u01/app/ora11g Mkdir-p/u01/app/ora11g/product Mkdir-p/u01/app/ora11g/oradata Mkdir-p/u01/app/ora11g/product/11.2.0/db_1 Chown-R oracle: oinstall/u01 Chmod-R 775/u01 # Creating environment variables Su-

Oracle ORA-00604 error Case Study

ORA-00604 error occurred at recursive SQL level string Cause: An error occurred while processing a recursive SQL statement (a statement applying to internal dictionary tables ). Action: If the situation described in the next error on the stack can be corrected, do so; otherwise contact Oracle customer support. ORA-00604: An error occurred while recursion a SQL Layer Cause: an error occurs when you run a recursive SQL statement that applies to operatio

PHP PDO oracle Chinese garbled linux PHP connection oracle PHP Oracle operation using PHP Oracle teach

Resume oracle.sh in/etc/profile.d/ The contents are as follows in Nls_lang setup encoding 1 oracle_home=/usr/lib/oracle/12.1/client642 c_include_path=/usr/include/ oracle/12.1/client643 ld_library_path= $ORACLE _home/lib4# RememberThis was the client Nls_lang not the server one5 nls_lang=6 Export Oracle_ho ME Ld_library_path Nls_lang Then modify the/ETC/INIT.D

Oracle---unit02:oracle string operations, Oracle numeric operations, Oracle date operations, NULL operations

, starting at m and intercepting N characters consecutively.---need to note: The database subscript is starting from 1!!!---n is truncated to the end of the current string if the number that is not specified or specified exceeds the actual character length that can be intercepted. n is the length.---if M is negative, it is intercepted from the countdown position. The number at the end cannot be negative.SELECT SUBSTR (' thinking in from dual;--->inSELECT SUBSTR (' thinking in from dual;--->in---

Oracle bbed Instructions for use 1

Label:I. CentOS on-Build installation Bbed tool[Email protected] ~]$ CD $ORACLE _home/rdbms/Lib[[email protected]~]$ make-f ins_rdbms.mk $ORACLE _home/rdbms/lib/bbed can also generate bbed to $oracle_home with the following command/bin directory [[email protected]~]$ make-f ins_rdbms.mk bbed= $

Oracle uses RMAN to directly Restore the database from 10 Gb to 11 GB.

Source backup, run the utluw. I. SQL script. If the script is not executed, run @? The following error is reported during/rdbms/admin/catupgrd. SQL script: DOC> The following error is generated if the pre-upgrade tool has not been DOC> run in the old ORACLE_HOME home prior to upgrading a pre-11.2 database: DOC> DOC> SELECT TO_NUMBER ('ust _ HAVE_RUN_PRE-UPGRADE_TOOL_FOR_TIMEZONE ') DOC> * DOC> ERROR at line 1: DOC> ORA-01722: invalid number DOC> DO

Oracle Instance Creation script

Tags: oracle instanceThinking back just entered the job, a server was hung up, so is in "distress" have the opportunity to learn. In the dead of night, I want to recall the creation of an Oracle instance. One method, DBCA, a graphical interface, but relies on software such as Xming or Xmanager, and the other is scripting Oracle DB instances. The first method is s

Install Oracle 12C and linux7centos7 on LINUX7 (CentOS7)

. [Root @ hyldb stubs] # cd/u01/app/oracle/product/12.1.0/db_1/lib/stubs [Root @ hyldb stubs] # cp */bak [Root @ hyldb bak] # rm-rf/u01/app/oracle/product/12.1.0/db_1/lib/stubs /* [Root @ hyldb bak] # cp/u01/app/oracle/product/12.1.0/db_1/rdbms/lib/env_rdbms.mk/u01/app/oracle

Requirements for installing Oracle Database 12c on RHEL7 or OL7

the following physical Memory requirements:Minimum:1 GB of RAMRecommended:2 GB of RAM or moreB.) Swap disk space proportional to the system ' s physical memory as follows: Ram Swap Space Between 1 GB and 2 GB 1.5 times the size of RAM Between 2 GB and GB Equal to the size of RAM More than GB + GB Note: The above recommendations (from the Oracle? Database Insta

Install Oracle database silently under Linux

}:/lib:/usr/lib:/usr/local/lib Export Classpath=${classpath}: $ORACLE _home/jre Export Classpath=${classpath}: $ORACLE _home/jre/lib export Classpath=${classpath}: $ORACLE _home/jlib export CLASSPATH =${CLASSPATH}: $ORACLE _home/rdbms/jlib export Classpath=${classpath}: $

Oracle Cross-Version upgrade

Tags: ORACLE upgradeCross-Version upgrade (10.2.0.5 upgrade to 11.2.0.3)10.2.0.5 version: Oracle_base:/oracle/u01/app/oracleOracle_home:/oracle/u01/app/oracle/product/10.2/db_111.2.0.3 version: Oracle_base:/oracle/u02/app/oracleOracle_home:/

"Turn" Oracle infrastructure cognition-the first knowledge of Oracle's rites Eight mesh 2017-12-12 21:19:30

Tags: library sel shutdown struct parallel number serve log file capOracle Servers (Oracle server) are comprised of instances and databases. The example is the so-called Relational database management system (relational Management System,rdbms), which is used to provide relevant database management functions, and the database is composed of Oracle database files,

Detailed setup process of Oracle 10g Physical heterogeneous uard

"Export ORACLE_BASE =/u01/app/oracleExport ORACLE_HOME = $ ORACLE_BASE/product/10.2.0/db_1Export ORACLE_PATH = $ ORACLE_BASE/common/oracle/SQL:.: $ ORACLE_HOME/rdbms/adminExport ORACLE_SID = standbyExport PATH =. :$ {JAVA_HOME}/bin :$ {PATH }:$ HOME/bin: $ ORACLE_HOME/binExport PATH =$ {PATH }:/ usr/bin:/usr/bin/X11:/usr/local/binExport PATH =$ {PATH}: $ ORACLE_BASE/common/

Oracle Log files Troubleshooting Oracle

/ Ocrdump, Ocrcheck, Ocrconfig, Crsctl $GRID _home/log/ Cluster Time Synchronization Service $GRID _HOME/LOG/ Grid interprocess Communication Daemon $GRID _HOME/LOG/ Oracle High Availability Services Daemon $GRID _HOME/LOG/ Cluster Ready Services Daemon $GRID _HOME/LOG/ Grid Plug and Play daemon $GRID _HOME/LOG/ Mulitcast Dom

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