Oracle±í¿Õ¼ä³£ÓòÙ×÷
1. ²é¿´Oracle´´½¨¹ýÄÄЩÓû§
>select username from all_users;
2. ²é¿´Oracle´´½¨¹ýÄÄЩ±í¿Õ¼ä£¬±í¿Õ¼äµÄÃû×ֺʹóС
>select t.tablespace_name, round(sum(bytes/(1024*1024)),0) ts_size
from dba_tablespaces t, dba_data_files d
where t.tablespace_name = d.tablespace_name
group by t.tablespace_name;
3. ²é¿´±í¿Õ¼äÎïÀíÎļþµÄÃû³Æ¼°´óС
>select tablespace_name,file_id,file_name,round(bytes/(1024*1024),0)
total_space from dba_data_files order by tablespace_name;
4. ²é¿´±í¿Õ¼äµÄʹÓÃÇé¿ö
>select sum(bytes)/(1024*1024) as free_space,tablespace_name
from dba_free_space
group by tablespace_name;
SELECT A.TABLESPACE_NAME,A.BYTES TOTAL,B.BYTES USED, C.BYTES
FREE,
(B.BYTES*100)/A.BYTES "% USED",(C.BYTES*100)/A.BYTES "% FREE"
from SYS.SM$TS_AVAIL A,SYS.SM$TS_USED B,SYS.SM$TS_FREE C
WHERE A.TABLESPACE_NAME=B.TABLESPACE_NAME AND
A.TABLESPACE_NAME=C.TABLESPACE_NAME;
5. Ôö¼Ó±í¿Õ¼äµÄµÄ´óС
A. >alter tablespace SYSAUX add datafile
'/opt/oracle/oradata/testdb/sysaux02.dbf' size 100M autoextend on;
B. >alter tablespace SYSAUX add datafile
'/opt/oracle/oradata/testdb/sysaux02.dbf' size 100M;
C. >alter database datafile '/opt/oracle/oradata/testdb/sysaux02.dbf'
resize 1000M;
6. ²é¿´Oracle RACÉÏÊ£ÓàµÄ±í¿Õ¼ä
#export ORACLE_SID=+ASM1
#sqlplus / as sysdba
#select NAME,TOTAL_MB,FREE_MB from V$ASM_DISKGROUP;
&nb
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Exam Number/Code : 1Z0-053
Exam Name : Oracle Database 11g: Administration II
Questions and Answers : 167 Q&As
Update Time: 2010-05-15
1. You are not sure if Flashback Database is enabled. What database column and view can you query to
see if the flashback logs are being created in the ......
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60.AVG(DISTINCT|ALL)
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SQLWKS> create table table3(xm varchar(8),sal number(7,2));
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SQLWKS> insert into table3 values(gao,1111.11);
SQLWKS> insert into table3 values(gao,1111.11);
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