--查看表空间利用率
SELECT a.tablespace_name "表空间名",
Round(total / 1024 / 1024 / 1024, 2) "表空间大小",
Round(free / 1024 / 1024 / 1024, 2) "表空间剩余大小",
Round((total - free) / 1024 / 1024 / 1024, 2) "表空间使用大小",
Round((total - free) / total, 4) * 100 "使用率 %"
FROM (SELECT tablespace_name, Sum(bytes) free
FROM DBA_FREE_SPACE
GROUP BY tablespace_name) a,
(SELECT tablespace_name, Sum(bytes) total
FROM DBA_DATA_FILES
GROUP BY tablespace_name) b
WHERE a.tablespace_name = b.tablespace_name
order by 5 desc;
--给系统表空间扩容
alter database datafile '/oracle/app/oradata/mytablespace/my_01.dbf' resize 256M;
--新建新的表空间
CREATE TABLESPACE TBS_XYZX DATAFILE '/data/oracle/oradata/dtc/xyzx01.dbf' SIZE 20480M;
--给表空间扩大大小
alter tablespace TBS_XYZX add datafile '/data/oracle/oradata/dtc/xyzx02.dbf' size 20480m;
--创建新用户
CREATE USER xyzx IDENTIFIED BY "pass$123" DEFAULT TABLESPACE TBS_XYZX;
--授权
GRANT CONNECT,RESOURCE TO xyzx;
grant select on xyzx.nce_gr_grjbxx_js to username;