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CREATE OR REPLACE TRIGGER "TRG_DENY_DROP_UBISP" BEFORE
DROP ON DATABASE
BEGIN
  IF (ORA_DICT_OBJ_OWNER='TEMP_ODS' OR
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      ORA_DICT_OBJ_OWNER='TEMP_DW' OR
      ORA_DICT_OBJ_OWNER='TEMP_REPORT' OR
      ORA_DICT_OBJ_OWNER='TEMP_WEB' OR
      ORA_DICT_OBJ_OWNER='TEMP_REPORT_NEW')
     AND ORA_LOGIN_USER<>'TEMP_ADMIN'---ÅųýµÄÓû§
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Oracle SqlplusÉèÖÃÐÐÊýºÍ¿í¶È


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1) ²é¿´Ä¿Ç°µÄpagesize,ĬÈÏÊÇ14:
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1.      show pagesize;   
show pagesize;
 
2) ½«pagesizeÉèÖúÃ100,Ôò¿ÉÒÔÒ»´ÎÏÔʾ¹»¶àÐмǼÁË:
Sqlplus´úÂë
1.      set pagesize 100;  
set pagesize 100;
 
 
2. ÉèÖÃÐеĿí¶È
 
1) ²é¿´Ä¿Ç°µÄlinesize,ĬÈÏÊÇ80:
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show linesize;
 
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Oracle С֪ʶ ×ܽá(Ò»)


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  v_hh VARCHAR2(2);
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  IF v_hh >= '08' AND v_hh <=  ......

oracle ·ÖÎö×÷ÒµÓÐʱºò͵ÀÁ

2010Äê5ÔÂ25ÈÕ ¸»Ê¿¿µ11ÌøÂ¥×ÔɱµÄÕâÌì¡£´«ÎÅoracle 10g r203×Ô¶¯·ÖÎö×÷Òµ²»ÊǺܿ¿Æ×,¾ßÌåΪʲô²»µÃ¶øÖª£¡½ñÌìÀÏ¿âµÄ»úÆ÷Òª±»°á×ߣ¬¿´µ½ÉÏÃæÓиöĿ¼ÊÇDBAµ¼Êý¾Ý¶øÓõ쬻¹Áô×ÅÀÏ¿âǨµ½Ð¿âµÄDMPÊý¾ÝÎļþ309G¡£ÏëÀÏ¿âÕæÕýÓõ½µÄ±í±È½ÏÉÙ£¬Êý¾ÝÁ¿»áСºÜ¶à¡£ÎªÁËÖªµÀ¾ßÌåÁ¿£¬ËùÒÔ×Ô¼ºÊÔÍæÏÂEXPµ¼Êý¾Ý¡£ÏÈÊÔÁËÏÂÓû§±í590Íò1.5G£¬¸úTOADÉϵıíSIZE¶ÔµÄÉÏ¡£È»ºóÊÔ¶à±íµ¼£¬Ñ¡Á˸ö»îÔ¾Óû§±í¡£µ¼³ö¹ý³ÌÖУ¬feedback=10000²ÎÊý ÏÔʾµÄµã¶¼³¬¹ýÁËÓû§±íµÄµã£¬×îºóµ¼³öµÄÐиߴï4ǧÍòÐУ¡¶øTOADÉÏ¿´µ½ÊÇ0.6M£¬×îºó·ÖÎöʱ¼äÊÇÈ¥Äê2009Ä꿪·¢ÄǸöʱºòµÄ¡£Á¢¿ÌÓÃTOAD¶Ô±í·ÖÎö£¬½á¹û¶ÔÉÏÁËÊý¾Ý¡£¿ÉϧûÓÐȡͼ£¬ÎÞͼÎÞÕæÏë°¡£¡ËæºóÈ¥ÁËпâÉÏ¿´¿´¿ÉÓлú»á£¬È´ÈÃÎÒʧÍûÁË¡£
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ÿ¸öOracleÓû§¶¼ÓÐÒ»¸öÃû×ֺͿÚÁî,²¢ÓµÓÐһЩÓÉÆä´´½¨µÄ±í¡¢ÊÓͼºÍÆäËû×ÊÔ´¡£Oracle½ÇÉ«£¨role£©¾ÍÊÇÒ»×éȨÏÞ£¨privilege£©(»òÕßÊÇÿ¸öÓû§¸ù¾ÝÆä״̬ºÍÌõ¼þËùÐèµÄ·ÃÎÊÀàÐÍ)¡£Óû§¿ÉÒÔ¸ø½ÇÉ«ÊÚÓè»ò¸³ÓèÖ¸¶¨µÄȨÏÞ£¬È»ºó½«½ÇÉ«¸³¸øÏàÓ¦µÄÓû§¡£Ò»¸öÓû§Ò²¿ÉÒÔÖ±½Ó¸øÆäËûÓû§ÊÚȨ¡£
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   create user user01 identified by u01;
    ¸ÃÃüÁ¿ÉÒÔÓÃÀ´ÉèÖÃÆäËûȨÏÞ£¬ÏêϸÇé¿ö²Î¼û×ÔÑ§× ......
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