oracle 12c for dummies

When installing ORACLE 12c on solaris10, the following error occurs: Soft limit: maxmum open file descriptors, filedescriptors. -- Configure the maximum number of opened oracle files The Solaris operating system has a limit on the number of opened files. The db_files parameter settings of the database are limited by the operating system parameters. An environmen

How to automatically start PDB Pluggable Database in Oracle 12c PDB Pluggable Database is an important new feature of 12c, but for PDB in CDB, all PDB is not brought when CDB is started by default, in this way, we need to manually alter pluggable database all open; [Oracle @ clouds ~] $ Sqlplus "/as sysdba" SQL * Plus:

Label:12c has launched a pluggable database with multiple database PDB in the form of multiple tenants in a single container cdb. The data pump import and export for the PDB is slightly different from the traditional database. 1, need to add tansnames for PDB 2, import and export need to specify its tansnames value within the UserID parameter, such as Userid=user/[email protected] Data Pump Import and export example1. View the current SID, view the P

1. OverviewThe Oracle EM11g database needs to be migrated. The main steps are as follows: 1. Disable OMS 2. Back up the current database and restore it to the new server. 3. Update OracleEM OMS database connection Configuration 4. Start OMS This operation method is also valid in Oracle EM 12c. 2. ProcedureStep 1: Disable OMS Find the emctl tool in the bin where O

Oracle Enterprise Manager Cloud Control 12c R4 installation ConfigurationPrepare Software Em12.1.0.4_linux64_V45344-01.zip Em12.1.0.4_linux64_V45345-01.zip Em12.1.0.4_linux64_V45346-01.zip Install the Operating System (OEL6.5) After loading OS and CC for a space of more than 50 gb for the OS, 30 GB space is required. We recommend that you use at least 4 GB memory for 6 GB. [

area storage, default path, then click Next23 Here I choose to use the same password for all accounts Wangfeiyu123, can also be for different usersSet a different password, then click Next24. Set DBA, Database Operations Group Oinstall, then click Next25, if the error is prompted, because the version of the installation package is different or the kernel parameters have a problem or less dependentSoftware, you need to resolve the error, and then click Next (if it does not match the next two fig

Tags: images virtual is the database management TOC various Sysstat graphical interface homeOracle database is a leading product in the field of database. It can be said that Oracle database system is currently the world's popular relational database management system, System portability, easy to use, strong function, applicable to all kinds of large, medium, small, microcomputer environment. It is a highly efficient and reliable database solution tha

Label:Installing Oracle Database 12c Release 1 (12.1.0.2.0) under WindowsRecently, Oracle database 12c Release 1 (12.1.0.2.0)-Enterprise Edition needs to be installed due to the need to establish an ODI repository on Oracle databases.Software downloadHttp://www.oracle.com/te

Windows Sever 2012 Oracle 12c Installation Configuration Method graphic TutorialThe Oracle 12c installation configuration method and graphics tutorial, specific content as follows 1, we open the virtual machine2. Windows Sever 2012 startup.3. See the desktop of Windows Sever 2012.4. We unzipped two files, Winx64_12c_da

Tags: vertical details system performance which fast SAP database combined bottleneck This article comes from reading notes on which is Faster HANA or Oracle 12C, and outlines the key points. Does not represent my point of view.Brief introductionSAP claims that Hana is the fastest database, so SAP's new ERP system S4 no longer supports Oracle A new feature of

Previously wrote an article by modifying the control file to modify the path of the problem, now use method two through rename to modify the path of the problemExperimental object: Two Linux stand-alone Oracle 12C databases (both large and small versions are consistent), data migration takes a cold backup way.Migration stepsFirst turn off monitoring, and kill the connected appPs-ef | grep Local=no | awk ' {

Oracle 12C new Features-extended data type, in 12c, the size of data types such as VARCHAR2, NAVARCHAR2, and raw are extended from 4K and 2K bytes to 32K bytes, compared to earlier versions. As long as possible, the size of the extended character decreases the use of the LOB data type. In order to enable extended character size, you must set the initial database

12C Oracle Data Guard Repository Today exception2018-07-05t21:31:32.291970+08:00GEN0 (ospid:75371): Terminating the instance due to error 4722018-07-05t21:31:32.293376+08:00System State Dump requested by (Instance=1, osid=75371 (GEN0)), summary=[abnormal instance termination].System state dumped to trace file/u01/app/oracle/diag/rdbms/dwjrstdydb/dwjrstdydb/trace/

Tags: Oracle 12c Three-node RAC installation error [ins-32025]Test installs three node Oracle 12C RAC, notebook configuration dual core I5 16g memory, each VM allocates 4G memory.During the installation of the database software, the primary instance restarts unexpectedly and the database software is reinstalled, but an

Tags: oracle12cPrior to installing the 12c version, recent exercises have found no tables for Scott users and 11g emp,dept, etc. Then try to unlock the user and find that the user does not existsql> alter user Scott account unlock; Alter user Scott account unlock * ERROR @ Line 1: Ora-01918:user ' Scott ' does not existCreate user manually, error, and 11g not quite the sameSql> create user Scott identified by Orac