代码改变世界

oracle 用户, 小技巧

2014-12-23 19:14  wangduqiang  阅读(330)  评论(0编辑  收藏  举报
select * from user_sys_privs;
select * from dba_roles;
select * from role_sys_privs;
select * from all_users;
select username,default_tablespace from dba_users;
select privilege from dba_SYS_privs where grantee='wang1'
select * from dba_sys_privs where grantee='SCOTT'
SELECT UPPER(F.TABLESPACE_NAME) "表空间名",
  D.TOT_GROOTTE_MB "表空间大小(M)",
  D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(M)",
  TO_CHAR(ROUND((D.TOT_GROOTTE_MB - F.TOTAL_BYTES) / D.TOT_GROOTTE_MB * 100,2),'990.99') || '%' "使用比",
  F.TOTAL_BYTES "空闲空间(M)",
  F.MAX_BYTES "最大块(M)"
  FROM (SELECT TABLESPACE_NAME,
  ROUND(SUM(BYTES) / (1024 * 1024), 2) TOTAL_BYTES,
  ROUND(MAX(BYTES) / (1024 * 1024), 2) MAX_BYTES
  FROM SYS.DBA_FREE_SPACE
  GROUP BY TABLESPACE_NAME) F,
  (SELECT DD.TABLESPACE_NAME,
   ROUND(SUM(DD.BYTES) / (1024 * 1024), 2) TOT_GROOTTE_MB
  FROM SYS.DBA_DATA_FILES DD
  GROUP BY DD.TABLESPACE_NAME) D
  WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME
  ORDER BY 1;

看每个用户的情况, 空间使用情况很重要,

新建sql窗口写了sql 去点运行真麻烦, F8

用户的情况dba在左边窗口可以看到users ,里面是所有的用户情况
下一篇要对一个百万级的数据库操作