创建文本文档  名字   INITORCL.ORA   AIAR保存第一个 不要utf8格式

DB_NAME=ORCL

INSTANCE_NAME=ORCL

DB_BLOCK_SIZE=8192

MEMORY_TARGET=1G

MEMORY_MAX_TARGET=2G

CONTROL_FILES='C:\APP\ORADATA\ORCL\CONTROL01.CTL'

OPEN_CURSORS=300

PROCESSES=150

sqlplus / as sysdba

STARTUP PFILE='C:\APP\PRODUCT\11.2.0\DBHOME_1\DATABASE\INITORCL.ORA' MOUNT;

ALTER DATABASE OPEN;

CREATE SPFILE FROM PFILE='C:\APP\PRODUCT\11.2.0\DBHOME_1\DATABASE\INITORCL.ORA';

就可以正常使用sqlplus了