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SQLÖÐCONVERTº¯Êý×î³£ÓõÄÊÇʹÓÃconvertת»¯³¤ÈÕÆÚΪ¶ÌÈÕÆÚ
Èç¹ûֻҪȡyyyy-mm-dd¸ñʽʱ¼ä, ¾Í¿ÉÒÔÓà convert(nvarchar(10),field,120)
120 ÊǸñʽ´úÂë, nvarchar(10) ÊÇָȡ³öǰ10λ×Ö·û.
SELECT CONVERT(nvarchar(10), getdate(), 120)
SELECT CONVERT(varchar(10), getdate(), 120)
SELECT CONVERT(char(10), getdate(), 120)
=======================================================
ʹÓà CONVERT£º
CONVERT (data_type[(length)], expression [, style])
select CONVERT(varchar, getdate(), 120 )
2004-09-12 11:06:08
select replace(replace(replace(CONVERT(varchar, getdate(), 120 ),\'-\',\'\'),\' \',\'\'),\':\',\'\')
20040912110608
select CONVERT(varchar(12) , getdate(), 111 )
2004/09/12
select CONVERT(varchar(12) , getdate(), 112 )
20040912
select CONVERT(varchar(12) , getdate(), 102 )
2004.09.12
select CONVERT(varchar(12) , getdate(), 101 )
09/12/2004
select CONVERT(varchar(12) , getdate(), 103 )
12/09/2004
select CONVERT(varchar(12) , getdate(), 104 )
12.09.2004
select CONVERT(varchar(12) , getdate(), 105 )
12-09-2004
select CONVERT(varchar(12) , getdate(), 106 )
12 09 2004
select CONVERT(varchar(12) , getdate(), 107 )
09 12, 2004
select CONVERT(varchar(12) , getdate(), 108 )
11:06:08
select CONVERT(varchar(12) , getdate(), 109 )
09 12 2004 1
select CONVERT(varchar(12) , getdate(), 110 )
09-12-2004
select CONVERT(varchar(12) , getdate(), 113 )
12 09 2004 1
select CONVERT(varchar(12) , getdate(), 114 )
11:06:08.177


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ORACLE SQLÓï¾äÓÅ»¯×ܽá

ORACLE SQLÓï¾äÓÅ»¯×ܽá
 
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 ÔÚSQL ServerÀï²é¿´µ±Ç°Á¬½ÓµÄÔÚÏßÓû§Êý
use master
select loginame,count(0) from sysprocesses
group by loginame
order by count(0) desc
select nt_username,count(0) from sysprocesses
group by nt_username
order by count(0) desc
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SQL ÅжÏÉí·ÝÖ¤ºÅÂë

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create or replace function CONVERT_ID_15 (/*ת»»Éí·ÝÖ¤ºÅΪ15λ*/
  p_id2 in varchar2
) return varchar2
is
  p_id varchar2(20);
  id varchar2(15);
begin
  p_id:=ltrim(p_id2);
  p_id ......
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