cdb

orcl =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) )
(CONNECT_DATA =
(SERVICE_NAME = orcl) #cdb的db_name
)
)

pdb

pdborcl =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = pdborcl) #pdb的db_name
)
)

tnsnames.ora###

在客户端连接时使用“service_name+domain_name”连接。如果出现ora-01017，很有可能是

二、创建pdb

cdb相当于操作系统，调用并管理各个pdb。pdb相当于真正提供业务需求的数据库实例。oracle 12c安装后只创建了cdb，需要自己生成相应的pdb。

1、创建pdb

在sqlplus下：

2、同步文件

若pdb状态为need sync，则需要：

shutdown immediate或者alter pluggable database pdborcl close immediate ;