新人求助splplus问题

应该你的tns文件配置有问题吧，你参照这个试试
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = LOCALHOST)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)

数据库没创建？