Creating and Removing PDBs with SQL*Plus This chapter contains the following topics: About Creating and Removing PDBs Preparing for PDBs Creating a PDB Using the Seed Creating a PDB by Plugging an Unplugged PDB into a CDB Unplugging a PDB from a CDB…

Purpose of a Multitenant Environment A multitenant environment enables the central management of multiple PDBs in a single installation. By using a multitenant environment, you can accomplish the following goals: Cost reduction By consolidating hardw…

About oracle mulittenant environment The multitenant architecture enables an Oracle database to function as a multitenant container database (CDB) that includes zero, one, or many customer-created pluggable databases (PDBs). A PDB is a portable colle…

Below tables contains contant you need to consider while planning for a CDB. Action Considerations for a CDB Additional Information Plan the tables and indexes for the pluggable databases (PDBs) and estimate the amount of space they will require. In…

Using the CREATE DATABASE Statement to Create a CDB This section describes creating a CDB using the CREATE DATABASE SQL statement. Note: Oracle strongly recommends using the Database Configuration Assistant (DBCA) instead of the CREATE DATABASE SQL s…

今天重新安装oracle11g,突然在检测时报了以下错误: Environment variable: "PATH" - This test checks whether the length of the environment variable "PATH" does not exceed the recommended length. 预期值  : 1023 实际值  : 1332  错误列表:   -  PRVF-3929 : Adding the Orac…

监听程序 建立网络连接 要建立客户机或中间层连接,Oracle Net要求客户机 下列事项: 运行监听程序的主机 监听程序监视的端口 监听程序使用的协议 监听程序处理的服务名 Hostname/ip address Port TCP SERVICE_NAME Lsnrctl status查看监听状态 Cat tnsnames.ora查看监听文件 [oracle@oracle01 ~]$ cd /u01/app/oracle/product/11.2.4/dbhome_1/network/admi…

1. Enterprise Manager: Starting version 12.1 Enterprise Manager now calls datapatch to complete post patch actions upon any 12c or later database restart. As noted above, datapatch contains the logic to identify if any post-patch SQL actions are pend…

译自官方白皮书http://www.oracle.com/technetwork/database/plug-into-cloud-wp-12c-1896100.pdf,包含新的云计算相关技术的介绍. 开启数据库云计算 行业研究发现许多IT组织已经开始了云计算征程.云计算让IT组织能更积极的响应业务需求和应用程序负载变化,同时降低了IT技术的复杂度和成本.确实,一贯以来Oracle的各版本帮助客户标准化.合并.自动化数据库服务,各类创新性的技术包括: Oracle Real Applicatio…

Oracle 12C引入了CDB与PDB的新特性,在ORACLE 12C数据库引入的多租用户环境(Multitenant Environment)中,允许一个数据库容器(CDB)承载多个可插拔数据库(PDB).CDB全称为Container Database,中文翻译为数据库容器,PDB全称为Pluggable Database,即可插拔数据库.在ORACLE 12C之前,实例与数据库是一对一或多对一关系(RAC):即一个实例只能与一个数据库相关联,数据库可以被多个实例所加载.而实例与数据库不可…