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Oracle trim º¯ÊýµÄÓ÷¨

 select trim(leading | trailing | both '  ' from '   abc      d      ') from dual;
 È¥µô×Ö·û´® '   abc      d      ' µÄÇ°Ãæ/ºóÃæ/Ç°ºóµÄ¿Õ¸ñ
 ÀàËƺ¯Êý£ºltrim, rtrim


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oracle cursor_sharing²ÎÊý

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CURSOR_SHARING
PropertyDescription
Parameter type
String
Syntax
CURSOR_SHARING = { SIMILAR | EXACT | FORCE }
Default value
EXACT
Modifiable
ALTER SESSION, ALTER SYSTEM
Basic
No
CURSOR_SHARING determines what kind of SQL statements can share the same cu ......

×ß½üOracleÊý¾Ý×Öµä(¶þ)

 ÔÚÉÏƪÎÄÕÂÀï“×ß½üOracleÊý¾Ý×Öµä--Êý¾Ý×Öµä±í”£¬ÎÒÃÇ̸µ½ÁËÊý¾Ý×Öµä¶ÔÓÚÎÒÃÇ×÷ΪDBA¶ÔÊý¾Ý¿âά»¤µÄÖØÒªÐÔ¡£Êý¾Ý¿âµÄ¶ÔÏóÐÅÏ¢£¬±ÈÈç±í£¬Óû§£¬´æ´¢¹ý³Ì£¬º¯Êý£¬ÊÓͼ£¬Ë÷ÒýµÈµÈ£¬ÕâЩ´æÔÚÔÚÊý¾Ý¿âÀïµÄ¶ÔÏóµÄÐÅÏ¢£¬¶¼ÊÇÔÚÊý¾Ý×Öµä±íÀï½øÐÐά»¤µÄ£¬ÎÒÃÇ¿ÉÒÔ½èÓÃһЩ±È½ÏºÃµÄOracle¿ª·¢¹¤¾ß±ÈÈçPLSQL dev»òÕß ......

oracleÁÙʱ±íµÄÓ÷¨×ܽá

Ç°¶Îʱ¼ä£¬Ð¹«Ë¾µÄÃæÊÔ¹ÙÎÊÁËÒ»¸öÎÊÌ⣬ÁÙʱ±íµÄ×÷Óã¬ÒÔÇ°ÎÒÃÇÓûº´æÖмäÊý¾Ýʱºò£¬¶¼ÊÇ×Ô¼º½¨Ò»¸öÁÙʱ±í¡£Æäʵoracle±¾ÉíÔÚÕâ·½Ãæ¾ÍÒѾ­¿¼ÂǺÜÈ«ÁË£¬³ý·ÇÓÐЩ¸ß¼¶Ó¦Óã¬ÎÒÔÙ¿¼ÂÇ×Ô¼º´´½¨ÁÙʱ±í¡£ÓÉÓÚ±¾È˶ÔÁÙʱ±íµÄÁ˽ⲻÊǺܶ࣬ÓÚÊÇ»ØÀ´ËѼ¯ÏÂÕâ·½ÃæµÄ×ÊÁÏ£¬ÃÖ²¹ÏÂÕâ¿éµÄ²»×ã¡£
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Oracle Dimension £¨Oracle ά£©

 
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oracle command window Êä³öÏÔʾoutput²ÎÊý

fmobileÊäÈë²ÎÊý£¬msgÊä³ö²ÎÊý
--·½·¨1
 variable msg varchar2(100)
variable fmobile varchar2(100):='13424242890'
exec smsrun.PKG_SETNEIZHI.p_Whynomt(fmobile,msg)
print msg
--·½·¨2
set serveroutput on;
  declare
  FMOBILE varchar2(100):='13424242890';
  msg varchar2(100):= ......
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