表空间-只读、读写设置

1、只读

SQL>  alter tablespace lianxi read only;

Tablespace altered

SQL> select TABLESPACE_NAME,STATUS  from dba_tablespaces where tablespace_name like 'LIAN%';

TABLESPACE_NAME                STATUS

------------------------------ ---------

LIANXI                         READ ONLY

LIANXI_UNDO                    ONLINE

LIANXI_TEMP                    ONLINE

LIANXI_INDEX                   ONLINE
2、读写

SQL>  alter tablespace lianxi read write;

Tablespace altered

SQL> select TABLESPACE_NAME,STATUS  from dba_tablespaces where tablespace_name like 'LIAN%';

TABLESPACE_NAME                STATUS

------------------------------ ---------

LIANXI                         ONLINE

LIANXI_UNDO                    ONLINE

LIANXI_TEMP                    ONLINE

LIANXI_INDEX                   ONLINE

SQL>