表DBA_DATA_FILES是数据库数据文件信息表；列DBA_DATA_FILES.FILE_NAME是数据库数据文件的名字，也是物理文件存放地址；列DBA_DATA_FILES.FILE_ID 是数据库文件的ID；列DBA_DATA_FILES.TABLESPACE_NAME 是所属表空间的名字；列DBA_DATA_FILES.BYTES是文件的大小，以bytes为
SQL>select file_name ,tablespace_name,bytes/1024/1024 "bytes MB" ,max_bytes/1024/1024 " max_bytes MB "from dba_data_files where tablespace_name='表空间名'; 想要查看数据库表空间的使用情况药这样查看: SQL>set pages 1000; SQL>set lines 100; SQL>col tablespace_name for a20; SQL>col tota...
SQL> SELECT SEGMENT_NAME,OWNER,TABLESPACE_NAME,SEGMENT_ID,FILE_ID,STATUS FROM DBA_ROLLBACK_SEGS; 14、查看数据文件放置的路径 SQL> col file_name format a50 SQL> select tablespace_name,file_id,bytes/1024/1024,file_name from dba_data_files order by file_id; 15、显示当前连接用户 SQL> show u...
SHOWUSER 77 如何查看数据文件放置的路径 col file name format a50 SQL select tablespace name file id bytes 1024 1024 file name from dba data files order fileid 78 如何查看现有回滚段及其状态 SQL col segment format a30 SQL SELECT SEGMENT NAME OWNER TABLESPACE NAME SEGMENT ID FILE ID STATUS FROM...
select file_id,file_name,tablespace_name from dba_data_files * ERROR at line 1: ORA-00942: table or view does not exist 6、立即生效,已经无法查看到dba_data_files这个数据字典里面的内容 select_catalog_role 无法立即生效 sys@TEST0924> grant select_catalog_role to test; ...
select file_id,file_name,tablespace_name from dba_data_files * ERROR at line 1: ORA-00942: table or view does not exist 2、此时test用户无法访问到dba_data_files这个数据字典 sys@TEST0924> grant select any dictionary to test; ...
SELECT tablespace_name, SUM(bytes) / 1024 / 1024 "占用空间(MB)" FROM dba_segments GROUP BY tablespace_name; 这个查询会列出每个表空间占用的总空间。 如果你确实需要查询表空间的使用百分比,可以结合上述视图和查询来计算。例如,结合DBA_DATA_FILES和DBA_FREE_SPACE视图: sql SELECT d.TABLESPACE_NAME, ...
the server host,so you must have theFILEprivilege to use this syntax.file_namecannot be an existing file, which among other things prevents files such as/etc/passwdand database tables from being destroyed. Thecharacter_set_filesystemsystem variable controls the interpretation of the file name. ...
1:查看FRA磁盘组中failgroup信息及磁盘状态SQL> select name,path,failgroup,mount_status from v$asm_disk where group_number=2;NAME PATH FAILGROUP MOUNT_STATUS--- - 到此,相信大家对“Oracle 11.2.0.3管理ASM的方法是什么”有了更深的了解,不妨来实际操作一番吧!这里是网站,更多相关内容可以进入相关频道进行...
mysql -h127.0.0.1 -uroot -p000000 -e"select * from a" test > 1.txt host ip user password query statement database filename 这样会输出列名信息,如果不想输出列名信息: mysql -h127.0.0.1 -uroot -p000000 -N -e"select * from a" test > 1.txt ...