oracle database 12c

Label:Password 1 as SYSDBA 2 Alter user system identified by Abcd1234; Manual script First-->manual_script_before_install.sql 1 --must connect as SYSDBA to execute the following script 2 --This manual script was to minimize the "configuration change" on the Oracle database server 3 4 --We suggest you use the default SYSTEM user during the installation 5 --If you choose a user other than system during i

Reprint: http://www.cnblogs.com/xqzt/p/5034375.htmlFor those who are familiar with Oracle or who have contacted Oracle, Scott, the user, must be quite familiar with it. 12c has launched a pluggable database with multiple database PDB in the form of multiple tenants in a sing

Tags: style blog http io ar color OS using SPIn Oracle 12c, the CDB and PDB, their startup and shutdown operations are organized as follows.1 Container Database (CDB)For CDB, startup and shutdown are the same as in previous traditional ways, with the following syntax:Startup[nomount | MOUNT | RESTRICT | UPGRADE | Force | READ only]Shutdown[immediate | ABORT]Note

To start DB12 as an example' /as sysdba ' SQL 12.1. 0.2. 0 1 :1982, Oracle. All rights reserved. Connected to an idle instance.1.nomount StageSql> startup Nomount; 1174405120 bytesfixed Size 2923680 bytesvariable Size 436208480 bytesdatabase buffers 721420288 Bytesredo buffers 13852672 Bytessql Select from v$pdbs;no rows selected2.mount Stage: Open control file, root and

=oracle.install.db.config.asm.asmsnmppassword=Myoraclesupport_username=myoraclesupport_password=Security_updates_via_myoraclesupport=falseDecline_security_updates=trueOracle.installer.autoupdates.option=skip_updatesproxy_host=proxy_port=Proxy_user=Proxy_pwd=Collector_supporthub_url=Installing Oracle Software[Email protected] response]$ pwd/home/software/database[Email protected] response]$ chmod 700/HOME/SO

Required Pam_limits.so 8.2 Editing the limits.conf configurationvim /etc/security/limits.conf #在内容末尾添加以下数据#单用户可使用的进程数量Oracle Soft Nproc 2047Oracle Hard Nproc 16384#用户可打开的文件数量Oracle Soft Nofile 1024Oracle Hard Nofile 65536#堆栈设置Oracle Soft Stack 10240 9. Edit Profilevim /etc/profile #在内容末尾添加以下语句if [$USER = "

>SelectCon_id,dbid,name,open_mode fromV$pdbs; con_id DBID NAME Open_mode---------- ---------- ------------------------------ ----------2 1258043702pdb$seed READ only3 3749525766PDB1 READ only4 2192587015P4 READ only5 255759235pdb_test Mountedsql>Alter pluggable database pdb_test open; SQL>SelectCon_id,dbid,name,open_mode fromV$pdbs; con_id DBID NAME Open_mode---------- ---------- ------------------------------ ----------2 1258043702pdb$seed READ only

Oracle Soft Nproc 2047 >>/etc/security/limits.confecho Oracle hard Nproc 16384 >>/etc/security/limits.confecho Oracle Soft nofile 1024x768 >>/etc/security/limits.confecho Oracle hard Nofile 65536 >>/etc/security/limits.conf#vi/etc/pam.d/loginecho Session required/lib/security/pam_limits.so >>/etc/pam.d/loginecho Sessi

Adding columns with default values to tables in Oracle (including new 12C features) This is a problem that I have been paying attention. 11G has been improved on this issue, and 12C has some new features. 12C adds the new 11g feature in this regard. Add a column in 11G and set the default value. Instead of changing

Add columns with default values in Oracle tables (including new 12C features) and oracle12c This is a problem that I have been paying attention. 11G has been improved on this issue, and 12C has some new features. For a discussion on the new features of 11g, refer to my blog http://blog.csdn.net/dbcrocodile/article/details/21170407

After the N installation attempt to vomit blood summary, hope to be helpful to everyone, at the same time do record memo: Summary: Pre-installation preparation is the key!!! Check and recheck! Reference: Http://docs.oracle.com/cd/E16655_01/install.121/e17741/toc.htm#CEGHFFGG ORACLE 12C Installation Step ******************************************** 0, preparation software:

At present, many production databases are two node RAC, application connected database will usually connect scan IP or VIP, here do a small experiment, if we use VIP connection,How to configure our clients, load balancing is a strict rotation mechanism, only through their own testing to get ready to answer. Tnsnames.ora Configuration # Tnsnames.ora Network Configuration File:/u01/app/oracle/pr

explicitly inserted; METADATA-ONLY default value refers to the default value specified when a new column is added, and the difference in 11g is that, the default value of 11g must be not null. 3. extend the length limit of multiple data types: Increase the VARCHAR2, NVARCHAR2, and RAW types to 32 K, set compatibility to 12.0.0.0 or above, and set the initialization parameter MAX_ SQL _STRING_SIZE to EXTENDED, this function does not support CLUSTER tables and index organization tables. In the en

Label:1. Backing Up the NON-CDB database2. Close the NON-CDB database sql> shutdown immediate; 3. non-cdb to read-only status sql> Startup Open Read Only 4. Create an XML file (created in non-cdb) sql> begin Dbms_pdb.describe (pdb_descr_file='/tmp/test.xml') ; End; / The XML file created here and the original library's data file make up a unplugged PDB 5. Close the NON-CDB database6. Login CDB using ' /tmp/orcl.xml ' copy; SQLSet container=P6;

Enable In-memory FeaturesDatabase version 12.1.0.2 and above, inmemory_size parameter set to appropriate valueSql> SELECT * from V$version;BANNER con_id-------------------------------------------------------------------------------- ----------Oracle Database 12c Enterprise Edition release 12.1.0.2.0-64bit Beta 0Pl/sql Release 12.1.0.2.0-beta 0CORE 12.1.0.2.0 Beta

Tags: openfiler 12c oss sha Hyper-converged to address ADO RAC improvementsWith a lot of Oracle RAC, shared storage is used. Dual controller with full disk, 15000 rpm SAS full slot, made into RAID 10, the cost is still very large. Recently in the open source hyper-fusion test, has achieved the very ideal effect: to be centralized, high availability, open source and low cost, can realize any one physical mac

Today, a netizen to find me to help him optimize his database of SQL, customer service reflects the SQL ran for a long time, ran for 12 hours, and finally ran out of ORA-01555, with an error ended this slow SQL life. Find me to help him optimize, OK, bounden duty.They're over there. The database environment is Oracle 12C:The original SQL and its execution plan ar

Label:A bit of Oracle 12c. Some of the experiences are written down first. 12c engage in new meaning, get a CDB (container database, not business center CBD yo) and PDB (pluggable database). The PDB is inserted into the CDB. In simple terms, CDB is a

New Features of Oracle 12C-online migration of table partitions or subpartitions Oracle 12c: new feature-online migration of table partitions or subpartitions. It is no longer necessary to migrate table partitions or subpartitions to different tablespaces in Oracle

Oracle Cloud Control 12c the entire installation is more complex, light installation path selection, login password, port number and many other configurations are confusing, dizzying. This article describes how to obtain installation after installation of the various port number, URL and how to start, close cloud control and so on, for your reference. The installation configuration for Cloud control can re