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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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 ......
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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):= ......