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1. offlineÊý¾ÝÎļþËù±»°üº¬µÄtablespace£¬
alter tablespace testts offline;
2. rename Ô­ÓеÄdatafileÖ¸Ïòеķ¾¶
#cp /opt/oracle/oradata/orcl/testts01.dbf /opt/oracle/oradata/test/testts01.dbf
SQL>alter tablespace testts  rename datafile ‘/opt/oracle/oradata/orcl/testts01.dbf’
to ‘/opt/oracle/oradata/test/testts01.dbf’;
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alter tablespace testts  rename datafile 3
to ‘/opt/oracle/oradata/test/testts01.dbf’;
3. onlineÒѾ­¸ÄºÃµÄtablespace
SQL> alter tablespace testts  online;
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1.ASCII
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SQL> select ascii(A) A,ascii(a) a,ascii(0) zero,ascii( ) space from dual;
A A ZERO SPACE
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65 97 48 32
2.CHR
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SQL> select chr(54740) zhao,chr(65) chr65 from dual;
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b. COST £¨»ùÓڳɱ¾£©
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  "¿ÚÁP£©:"ÖÐÊäÈë'manager'
  "Ö÷»ú×Ö·û´®£¨H£©:" tnsname.oraÖÐÅäÖõķþÎñÃû(Èç¹ûÊÇϵͳĬÈÏÊý¾Ý¿â¿ÉÒÔ²»ÊäÈë)
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create tablespace OSDB datafile 'F:\oracle\oradata\glsqjz\OSDB.ora' size 100m reuse default storage(initial 500k next 500k pctincrease 20);
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create user OSUSER identified by OSUSER;//identified by ºóÃæµÄÊÇÃÜÂë£¬Ç°ÃæµÄÊÇÓû§Ãû
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grant resource,connect,RECOVERY ......
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