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select tablespace_name, file_name, sum(bytes)/1024/1024 table_size from dba_data_files group by tablespace_name,file_name;
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CREATE TABLESPACE data01 DATAFILE '/oracle/oradata/db/DATA01.dbf' SIZE 500M;
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DROP TABLESPACE data01 INCLUDING CONTENTS AND DATAFILES;
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alter database datafile '/path/NADDate05.dbf' resize 100M
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ALTER TABLESPACE NEWCCS ADD DATAFILE '/u03/oradata/newccs/newccs04.dbf' SIZE 4896M;
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sql>alter database datafile '/path/NADDate05.dbf' OFFLINE  DROP;
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oracle sql*plus set &spool½éÉÜ(¶þ)

Oracle spool Ó÷¨Ð¡½á[°ëת°ë¼Ó]
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select empno||','||ename||','||sal from emp;
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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;
 
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select t ......
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