SQLserver×Ö·û´®·Ö¸îº¯Êý
SQLserver×Ö·û´®·Ö¸îº¯Êý
Ò»¡¢°´Ö¸¶¨·ûºÅ·Ö¸î×Ö·û´®£¬·µ»Ø·Ö¸îºóµÄÔªËظöÊý£¬·½·¨ºÜ¼òµ¥£¬¾ÍÊÇ¿´×Ö·û´®ÖдæÔÚ¶àÉÙ¸ö·Ö¸ô·ûºÅ£¬È»ºóÔÙ¼ÓÒ»£¬¾ÍÊÇÒªÇóµÄ½á¹û¡£
CREATE function Get_StrArrayLength
(
@str varchar(1024), --Òª·Ö¸îµÄ×Ö·û´®
@split varchar(10) --·Ö¸ô·ûºÅ
)
returns int
as
begin
declare @location int
declare @start int
declare @length int
set @str=ltrim(rtrim(@str))
set @location=charindex(@split,@str)
set @length=1
while @location<>0
begin
set @start=@location+1
set @location=charindex(@split,@str,@start)
set @length=@length+1
end
return @length
end
µ÷ÓÃʾÀý£ºselect dbo.Get_StrArrayLength('78,1,2,3',',')
·µ»ØÖµ£º4
¶þ¡¢°´Ö¸¶¨·ûºÅ·Ö¸î×Ö·û´®£¬·µ»Ø·Ö¸îºóÖ¸¶¨Ë÷ÒýµÄµÚ¼¸¸öÔªËØ£¬ÏóÊý×éÒ»Ñù·½±ã
CREATE function Get_StrArrayStrOfIndex
(
@str varchar(1024), --Òª·Ö¸îµÄ×Ö·û´®
@split varchar(10), --·Ö¸ô·ûºÅ
@index int --È¡µÚ¼¸¸öÔªËØ
)
returns varchar(1024)
as
begin
declare @location int
declare @start int
declare @next int
declare @seed int
set @str=ltrim(rtrim(@str))
set @start=1
set @next=1
set @seed=len(@split)
set @location=charindex(@split,@str)
while @location<>0 and @index>@next
begin
set @start=@location+@seed
set @location=charindex(@split,@str,@start)
set @next=@next+1
end
if @location =0 select @location =len(@str)+1
--Õâ¶ù´æÔÚÁ½ÖÖÇé¿ö£º1¡¢×Ö·û´®²»´æÔÚ·Ö¸ô·ûºÅ 2¡¢×Ö·û´®ÖдæÔÚ·Ö¸ô·ûºÅ£¬Ìø³öwhileÑ»·ºó£¬@locationΪ0£¬ÄÇĬÈÏΪ×Ö·û´®ºó±ßÓÐÒ»¸ö·Ö¸ô·ûºÅ¡£
retu
Ïà¹ØÎĵµ£º
21 Ò»¸öSQLServerµÄ×Ô¶¨Ò庯ÊýÖе÷ÓÃÒ»¸ö×Ô¶¨ÒåµÄ´æ´¢¹ý³Ì£¬Ö´Ðд˺¯Êýºó·¢³öÈçÏÂÌáʾ£º“Ö»Óк¯ÊýºÍÀ©Õ¹´æ´¢¹ý³Ì²ÅÄÜ´Óº¯ÊýÄÚ²¿Ö´ÐÐ"¡£
ÔÒò£ºº¯ÊýÖ»ÄÜʹÓüòµ¥µÄsqlÓï¾ä,Âß¼¿ØÖÆÓï¾ä£¬¸´ÔÓÒ»µãµÄ´æ´¢¹ý³ÌÊDz»Äܵ÷Óõģ¬ÔÚº¯ÊýÀïÒ²²»ÄÜʹÓÃexecute sp_executesql »òÕßexecute ¡£½â¾ö·½·¨°Ñ ......
±¾ÎÄÀ´×ÔCSDN²©¿Í£¬×ªÔØÇë±êÃ÷³ö´¦£ºhttp://blog.csdn.net/yf520gn/archive/2008/09/26/2982363.aspx
SELECT * from TB_MILES_CB_ORDER
WHERE convert(varchar(100),ORDER_DATE,102)= £¿
ORDER BY ORDER_NO
SELECT CONVERT(varchar(100), GETDATE(), 0): 05 16 2006 10:57AM
SELECT CONVERT(varchar(100), GETDATE ......
1.Ñ¡Ôñ×îÓÐЧÂʵıíÃû˳Ðò(Ö»ÔÚ»ùÓÚ¹æÔòµÄÓÅ»¯Æ÷ÖÐÓÐЧ)¡¡¡¡
¡¡¡¡ SQLSERVERµÄ½âÎöÆ÷°´ÕÕ´ÓÓÒµ½×óµÄ˳Ðò´¦Àífrom×Ó¾äÖеıíÃû£¬Òò´Ëfrom×Ó¾äÖÐдÔÚ×îºóµÄ±í£¨»ù´¡±ídriving table£©½«±»×îÏÈ´¦Àí£¬ÔÚfrom×Ó¾äÖаüº¬¶à¸ö±íµÄÇé¿öÏ£¬±ØÐëÑ¡Ôñ¼Ç¼ÌõÊý×îÉٵıí×÷Ϊ»ù´¡±í£¬µ±SQLSERVER´¦Àí¶à¸ö±íʱ£¬»áÔËÓÃÅÅÐò¼°ºÏ²¢µÄ·½Ê½Á ......
Èç¹ûÄã¾³£Óöµ½ÏÂÃæµÄÎÊÌ⣬Äã¾ÍÒª¿¼ÂÇʹÓÃSQL ServerµÄÄ£°åÀ´Ð´¹æ·¶µÄSQLÓï¾äÁË£º
SQL³õѧÕß¡£
¾³£Íü¼Ç³£ÓõÄDML»òÊÇDDL SQL Óï¾ä¡£
ÔÚ¶àÈË¿ª·¢Î¬»¤µÄSQLÖУ¬Ã¿¸öÈ˶¼ÓÐ×Ô¼ºµÄSQLÏ°¹ß£¬Ã»ÓÐÒ»Ì×ͳһµÄ¹æ·¶¡£
ÔÚSQL Server Management StudioÖУ¬ÒѾ¸ø´ó¼ÒÌṩÁ˺ܶೣÓõÄÏÖ³ÉSQL¹æ·¶Ä£°å¡£
SQL Server Management ......
SQLSERVER ´óÊý¾ÝÁ¿²åÈëÃüÁ
BULK INSERTÊÇSQLSERVERÖÐÌṩµÄÒ»Ìõ´óÊý¾ÝÁ¿µ¼ÈëµÄÃüÁËüÔËÓÃDTS(SSIS)µ¼ÈëÔÀí£¬¿ÉÒÔ´Ó±¾µØ»òÔ¶³Ì·þÎñÆ÷ÉÏÅúÁ¿µ¼ÈëÊý¾Ý¿â»òÎļþÊý¾Ý¡£ÅúÁ¿²åÈëÊÇÒ»¸ö¶ÀÁ¢µÄ²Ù×÷£¬ÓŵãÊÇЧÂʷdz£¸ß¡£È±µãÊdzöÏÖÎÊÌâºó²»¿ÉÒԻعö¡£
¡¡¡¡BULK INSERTÊÇÓÃÀ´½«ÍⲿÎļþÒÔÒ»ÖÖÌض¨µÄ¸ñʽ¼ÓÔ ......