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1. ÉèÖÃÒ³ÃæÏÔʾ×ÜÐÐÊý
 
1) ²é¿´Ä¿Ç°µÄpagesize,ĬÈÏÊÇ14:
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1.      show pagesize;   
show pagesize;
 
2) ½«pagesizeÉèÖúÃ100,Ôò¿ÉÒÔÒ»´ÎÏÔʾ¹»¶àÐмǼÁË:
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1.      set pagesize 100;  
set pagesize 100;
 
 
2. ÉèÖÃÐеĿí¶È
 
1) ²é¿´Ä¿Ç°µÄlinesize,ĬÈÏÊÇ80:
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1.      show linesize;  
show linesize;
 
2) ÉèÖóÉ100»òÕ߸ü¿í¶¼¿ÉÒÔ:
Sqlplus´úÂë
1.      set linesize 100;  
set linesize 100;
 
 


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  "Óû§Ãû³Æ£¨U£©:"ÖÐÊäÈë'system'
  "¿ÚÁP£©:"ÖÐÊäÈë'manager'
  "Ö÷»ú×Ö·û´®£¨H£©:" tnsname.oraÖÐÅäÖõķþÎñÃû(Èç¹ûÊÇϵͳĬÈÏÊý¾Ý¿â¿ÉÒÔ²»ÊäÈë)
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  (×¢2:  Èç¹ûÉÏÊö²Ù×÷Å׳öûÓмàÌýÆ÷£¬ÔòÐè¿ ......

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    To_date('2001-08-01','YYYY-MM-DD'); Äê-ÔÂ-ÈÕ
    24Сʱ£º·ÖÖÓ£ºÃëµÄ¸ñʽ  'YYYY-MM-DD HH24:MI:SS'  ......

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select C.column_name,C.TABLE_NAME from dba_tab_columns C where owner=''
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select id, name, class, scro
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¡¡¡¡SQL> select to_char(sysdate,'yyyy-mm-dd') from dual;
¡¡¡¡SQL> select to_char(sysdate,'hh24-mi-ss') from dual;
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¡¡¡¡mysql> select time_format(now(),'%H-%i-%S');
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