Oracle Database Backup and upgrade, oracle Database Backup
Log on to the server where the database is located as an oracle user. For example, the home directory is/home./oracle. Run the following command to back up the database.
Sqlplus/nolog
Connect/as sysdba
SQL> createdirectory dump_bx as 'specify a directory for s
How to deal with the rapid growth of oracle archive logs, oracle archive logs
Oracle archive logs are generally generated by dml statements, so the increase speed should be too frequent by dml.
First, query the generation of the following daily archives:
Select trunc (FIRST_TIME) "TIME ",SUM (BLOCK_SIZE * BLOCKS)/1024/1024/1024 "SIZE (GB )"From v $ ARCHIVED_LOGGr
EXP-00008: encountered Oracle error 904 ORA-00904: "maxsize": Invalid identifier
Cause: the Oracle version is different.
Run
C:/> exp PLX/PLX @ orcl file = C:/PLX. dmp tables = (S, SC, c)
Result Error
Export: Release 11.1.0.6.0-production on Sunday July 26 12:42:19 2009
Copyright (c) 1982,200 7, Oracle. All rights reserved.Connect to:
First, install DockerLinux system can be directly used for Docker installation;Win7 system Installation Dokcer is actually implemented through Boot2docker installation of a virtualbox under Windows;Boot2docker support for WIN10 systems is not very friendly, the good news is that there is now a dedicated Docker installation package for WIN10: Docker-tollbox;Docker-tollbox:https://www.docker.com/products/docker-tollboxDockerToolbox.exe after the download is complete, click Install package to insta
The Oracle database is powerful and performance-rich, and while creating these benefits, Oracle accounts for more memory. In response to this question, how do we take its essence to its dross?Solution: We can install a large Oracle database on a server within the LAN, install an Oracle client on the developer's PC, and
Tags: Oracle training Oracle Tutorial Oracle video Oracle Video tutorial Oracle Database tutorial Oracle Video tutorial goals Oracle Video tutorial, wind Brother this set of
Oracle String FunctionsRecently changed the new company, and back to the Oracle database, a lot of things have forgotten, just have an impression, these two nights smoked a bit of time, the oracle of the string of some processing functions to do a bit, for later review.Normally we use Oracle to have two main types of s
Tags: oracle-11g navicat win7-64bitNavicat for Oracle Connect Oracle 11G operation Flow 1 Changing the Oracle configuration file After you install Oracle 11g, you need to change the Listener.ora and Tnsnames.ora two files under the C:\Or
The official documents are described as follows:3 Installing Oracle Grid Infrastructure and Oracle Real application ClustersCaution:After installation are complete, does not remove manually or run cron jobs that remove/tmp/.oracle or/var/tmp/.oracle Direc Tories or their files while
General framework of Oracle, Oracle framework
The physical structure of Oracle includes parameter files, control files, data files, redo log files, archive files, and password files.
1.1 parameter file
This includes a large number of settings that affect the functions of Oracle database instances, as shown in the fol
Enable Oracle NUMA support in Oracle 11gR2
Enable Oracle NUMA support in Oracle db 11gR2
Reference Original:Enable Oracle NUMA support with Oracle Server Version 11gR2 (Document ID 864633.1)Applicable:Oracle Database-Enterprise Ed
Label:Nothing to do, today under the virtual machine installed a single instance of ORACLE11G, hereby record sharing! Software used: Virtualbox-4.0.8-71778-win.exe Oracle Linux 6.3 (V33411-01.ISO) oracle11g (p10404530_112030_linux-x86-64_ 1of7.zip, P10404530_112030_linux-x86-64_2of7.zip) First, install Linux. Virtual machine configuration: 1g memory, 30g HDD, one NIC (host-only mode)Check memory condition # grep Memtotal/proc/meminfo # grep Swaptotal/
Navicat for Oracle connection to Oracle 11G operation process, navicat11g
Procedure for connecting Navicat for Oracle to Oracle at 11 GB
1. Change the Oracle configuration file
After installing Oracle 11g, you need to change the
Common Methods for viewing Oracle execution plans-Series 1: oracle execution plans
The SQL Execution Plan actually represents the specific execution steps of the target SQL in the Oracle database, only by knowing whether the execution plan selected by the optimizer is the optimal execution plan in the current situation can you know the next step.
Execution Plan
Failure phenomenon:How do I make a cold backup of an Oracle database in case of an emergency, without opening the Oracle log archive?Solution:
A cold backup of the Oracle database, sorted as follows:
When do I have to use cold backup?
1. Database mode is not archive mode
2. For field protection
The process of cold backup:
1. First view the location of the b
1, Redo Log Buffer
Redo Log Buffer is a cache of database modification information stored in the SGA. This information is stored in the Redo entry (Redo Entry). The redo entry contains the necessary information to rearrange or redo the database because of modifications made by insert, UPDATE, DELETE, CREATE, Alter, or drop. When necessary, redo entries can also be used for database recovery.
The redo entry is a copy of the Oracle database process fr
Tags: ROM editor development targe data Common password color sizeBrief introduction:It is also quite common that we often encounter the need to connect to an Oracle database when we develop our application scenarios. So so. NET environment is connected to an Oracle database and can be tns/sql.net through a configuration file, and TNS must be an Oracle client.Sce
Tags: binary ACL section src system data DML one Redolog copyOriginal address: https://www.toutiao.com/i6499008214980362765/Oracle Database Startup: The Oracle service starts, the parameter file is searched for the control file, and the control file is started, and the control file calls the data file and the log file.Oracle's file system composition: Parameter files, control files, data files, log files.1.
Tags: Oracle training Oracle Video Oracle Database tutorial Oracle Video TutorialOracle Video Tutorial Goals Oracle Video tutorial, wind Brother this set of Oracle Tutorial training learning
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