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oracle Set ÃüÁî½éÉÜ
http://luoke920.javaeye.com/blog/323743
1). ÉèÖõ±Ç°sessionÊÇ·ñ¶ÔÐ޸ĵÄÊý¾Ý½øÐÐ×Ô¶¯Ìá½»
SQL>SET AUTO[COMMIT] {ON|OFF|IMM[EDIATE]| n}
2)£®ÔÚÓÃstartÃüÁîÖ´ÐÐÒ»¸ösql½Å±¾Ê±£¬ÊÇ·ñÏÔʾ½Å±¾ÖÐÕýÔÚÖ´ÐеÄSQLÓï¾ä
SQL> SET ECHO {ON|OFF}
3).ÊÇ·ñÏÔʾµ±Ç°sqlÓï¾ä²éѯ»òÐ޸ĵÄÐÐÊý
SQL> SET FEED[BACK] {6|n|ON|OFF}
ĬÈÏÖ»Óнá¹û´óÓÚ6ÐÐʱ²ÅÏÔʾ½á¹ûµÄÐÐÊý¡£Èç¹ûset feedback 1 £¬Ôò²»¹Ü²éѯµ½¶àÉÙÐж¼·µ»Ø¡£µ±Îªoff ʱ£¬Ò»Âɲ»ÏÔʾ²éѯµÄÐÐÊý
4).ÊÇ·ñÏÔʾÁбêÌâ
SQL> SET HEA[DING] {ON|OFF}
µ±set heading off ʱ£¬ÔÚÿҳµÄÉÏÃæ²»ÏÔʾÁбêÌ⣬¶øÊÇÒÔ¿Õ°×ÐдúÌæ
5).ÉèÖÃÒ»ÐпÉÒÔÈÝÄɵÄ×Ö·ûÊý
SQL> SET LIN[ESIZE] {80|n}
Èç¹ûÒ»ÐеÄÊä³öÄÚÈÝ´óÓÚÉèÖõÄÒ»ÐпÉÈÝÄɵÄ×Ö·ûÊý£¬ÔòÕÛÐÐÏÔʾ¡£
6).ÉèÖÃÒ³ÓëÒ³Ö®¼äµÄ·Ö¸ô
SQL> SET NEWP[AGE] {1|n|NONE}
µ±set newpage 0 ʱ£¬»áÔÚÿҳµÄ¿ªÍ·ÓÐÒ»¸öСµÄºÚ·½¿ò¡£
µ±set newpage n ʱ£¬»áÔÚÒ³ºÍÒ³Ö®¼ä¸ô×Ån¸ö¿ÕÐС£
µ±set newpage none ʱ£¬»áÔÚÒ³ºÍÒ³Ö®¼äûÓÐÈκμä¸ô¡£
7).ÏÔʾʱ£¬ÓÃtextÖµ´úÌæNULLÖµ
SQL> SET NULL text
8).ÉèÖÃÒ»Ò³ÓжàÉÙÐÐÊý
SQL> SET PAGES[IZE] {24|n}
Èç¹ûÉèΪ0£¬ÔòËùÓеÄÊä³öÄÚÈÝΪһҳ²¢ÇÒ²»ÏÔʾÁбêÌâ
9).ÊÇ·ñÏÔʾÓÃDBMS_OUTPUT.PUT_LINE°ü½øÐÐÊä³öµÄÐÅÏ¢¡£
SQL> SET SERVEROUT[PUT] {ON|OFF}
ÔÚ±àд´æ´¢¹ý³Ìʱ£¬ÎÒÃÇÓÐʱ»áÓÃdbms_output.put_line½«±ØÒªµÄÐÅÏ¢Êä³ö£¬ÒÔ±ã¶Ô´æ´¢¹ý³Ì½øÐе÷ÊÔ£¬Ö»Óн«serveroutput±äÁ¿ÉèΪonºó£¬ÐÅÏ¢²ÅÄÜÏÔʾÔÚÆÁÄ»ÉÏ¡£
10£©SQL> SET WRA[P] {ON|OFF}
µ±Êä³öµÄÐеij¤¶È´óÓÚÉèÖõÄÐеij¤¶Èʱ£¨ÓÃset linesize nÃüÁîÉèÖã©£¬µ±set wrap onʱ£¬Êä³öÐеĶàÓÚµÄ×Ö·û»áÁíÆðÒ»ÐÐÏÔʾ£¬·ñÔò£¬»á½«Êä³öÐеĶàÓÚ×Ö·ûÇгý£¬²»ÓèÏÔʾ¡£
11).ÊÇ·ñÔÚÆÁÄ»ÉÏÏÔʾÊä³öµÄÄÚÈÝ£¬Ö÷ÒªÓÃÓëSPOOL½áºÏʹÓá£
SQL> SET TERM[OUT] {ON|OFF}
ÔÚÓÃspoolÃüÁһ¸ö´ó±íÖеÄÄÚÈÝÊä³öµ½Ò»¸öÎļþÖÐʱ£¬½«ÄÚÈÝÊä³öÔÚÆÁÄ»ÉÏ»áºÄ·Ñ´óÁ¿µÄʱ¼ä£¬ÉèÖÃset termspool offºó£¬ÔòÊä³öµÄÄÚÈÝÖ»»á±£´æÔÚÊä³öÎļþÖУ¬²»»áÏÔʾÔÚÆÁÄ»ÉÏ£¬¼«´óµÄÌá¸ßÁËspoolµÄËÙ¶È¡£
12).½«SPOOLÊä³öÖÐÿÐкóÃæ¶àÓàµÄ¿Õ¸ñÈ¥µô
SQL> SET TRIMS[OUT] {ON|OFF}
13)ÏÔʾÿ¸ösqlÓï¾ä»¨·ÑµÄÖ´ÐÐʱ¼ä
set TIMING {ON|OFF}
14). Óöµ½¿ÕÐÐʱ²»ÈÏΪÓï¾äÒѾ­½áÊø£¬´ÓºóÐøÐнÓ×ŶÁÈë¡£


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sqlplus /nolog
connect /as sysdba
alter user scott account unlock;
alter user scott identified by manager;
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grant  select on dept to nmerp;
revoke select on dept to nmerp;
select * from scott.dept
create table abc(a varchar2(10),b char(10));
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select t.id ,t.code, t.name ,t.pid
,SYS_CONNECT_BY_PATH(t.id,'.')||'.' as IdPath
from tas_catalog t
--where id!=110
start with id=110
connect by  pid = prior id
order siblings  by id
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