oracle 12c certification

Tags: cond system version Media form begin created CDP his ISALinux DB instance monitoring boot boot settingsAugust 1, 2018 ZhankyTest introductionSystem version: Oracle Linux 7.2 x64DB version: Oracle database 12c Enterprise Edition Release 12.2.0.1.0-64bit ProductionInstance Name: Orcl cdp:orcl PDB:ORCL1, Orcl2Oracle_home:/u01/app/

/bin # #支持直接使用sqlplus命令4. Configure system parameters: Su to root user, execute/tmp/cvu_12.1.0.2.0_oracle/runfixup.sh5. Install the required software:6. Script to run the requirements:/u01/app/orainventory/orainstroot.sh and/u01/app/oracle/product/12.1.0/dbhome_1/root.sh7. Set the SYS and system password (if you select "Install Oracle software only" at the time of installation, there is no step to create th

The company installs an Oracle 12c test environment, is ready to export the online library to test performance, the results of the test library of the character set selected Al32utf8, a look at the line is ZHS16GBK, or to maintain the same, and then record Al32utf8 ZHS16GBK character Set process: first, the most important thing: backup. Back up your data. Don't forget to back up your data. C:\windows\syst

Tags: Oracle 12c Installation Checklist off iptables NetworkManager selinuxservice iptables stopchkconfig iptables offservice NetworkManager stopchkconfig NetworkManager off modify/etc/selinux/config file change selinux=enforcing to selinux= Disabled restart machine to create Oracle user groupadd-g oinstallgroupadd-g 501 dbauseradd-g oinstall-g dba oraclepasswd

Tags: MoS unique oracl product Memory server app not strEnvironment is 12.2.0.1 version, Oracle Data guard Main Library patrol found alert with abnormal error: 2018-07-10t13:24:04.710366+08:00Errors in FILE/U01/APP/ORACLE/DIAG/RDBMS/DWDB/DWDB1/TRACE/DWDB1_M000_4455.TRC:Ora-00245:control file backup failed; In Oracle RAC, Target might not is on shared storageRemov

Oracle 12c In-Memory Oracle introduced the In-Memory and columnar compression option In 12c, which greatly improves query performance. Here, we can see how much performance can be improved in the same query through a comparison. 1. allocate Memory to In-Memory firstSQL> show parameter inmemory;NAME TYPE VALUE----------

The new features of In-database archiving are introduced in Oracle Database 12c, which allows users to archive data by marking data rows on the table as inactive inactive. These inactive data rows can be compressed into one optimization and are not visible to the app by default. This feature enables the functionality and requirements of this "tag delete" in the case of minimal changes to existing code.Befor

------------------------- ------------------------- -------- ---------- -----------P_andy idx_pandy_id unusable 0 1--Rebuilding the indexsql> ALTER index IDX_PANDY_ID rebuild;Index altered.--View index statusSql> Select Table_name,index_name,status,blevel,leaf_blocks from user_indexes where index_name = ' IDX_PANDY_ID ';table_name index_name STATUS Blevel leaf_blocks------------------------- ------------------------- -------- ---------- -----------P_andy idx_pandy_id VALID 0 1--Truncate multiple

Differences between a transaction-based temporary Oracle table under 11 GB and 12CThe transaction-based temporary tables in Oracle differ from those in 11g and 12C. After collecting statistics on the temporary tables, the former records are cleared, and the latter does not, this is an important difference. 12C is used

Issues with CDB User Creation and tablespace allocation in Oracle 12c Database In Oracle12c, the concept of database plug-in is added, that is, PDB, which allows a database container (CDB) to host multiple pluggable databases (PDB ). CDB is called ContainerDatabase, and the Chinese translation is a database container. PDB is called PluggableDatabase, which can be used to plug and unplug the database. Before

Tags: val alter err enhanced nbsp char des create visibleIn Oracle 11g R1, Oracle introduces some nice enhancements in the form of invisible indexes and virtual fields. Inheriting the former and carrying forward, Oracle 12c introduces the idea of invisible fields. In previous releases, in order to hide important data f

Tag:tabreadossmanage copy optionsonslinebase $ Sqlplus '/as sysdba ' sql*plus:release 12.1.0.1.0 Production on Tue June 13:03:06 2015Copyright (c) 1982, Oracle. All rights reserved. Connected to:oracle Database 12c Enterprise Edition Release 12.1.0.1.0-64bit productionwith The partitioning, OLAP, Adva nced Analytics and Real application testing optionssql> show Con_name; Con_name---------------------------

Simple CDC, the simplest CDC. Here, each CDC table change is captured independently, and there is no need to consider the consistency of data between tables that have primary foreign key reference relationships.1 Environment PreparationSOURCE table: Odi_src. DEPT Target table: Odi_tag. DEPT Configuration topology See the creation and configuration of the ODI studio topology (Oracle) Model Reverse engineering See: