Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Éú³É±íÖÐÊý¾ÝµÄsqlÓï·¨µÄ´æ´¢¹ý³Ì

      Ò»°ãÓÃBCPÔÚ´¦ÀíÕâ¸öÊÂÇ飬µ«ÓÐʱҲÐèҪһЩÌØÊâµÄ´¦Àí£¬ÒÔÏÂÊÇÉú³É±íÖеÄһЩÊý¾Ý£¬´øÓÐwhereÌõ¼þµÄÑ¡ÔñÉú³ÉÊý¾Ý£¬ÊÇÎÒÒ»¸öͬÊÂÐ޸ĵģ¬Ö±½ÓÄùýÀ´ÓÃÁË£º
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO
Create Proc proc_insert_where (@tablename varchar(256),@where varchar(256))
as -- ±íÃû³Æ
begin
Declare @sqlstr varchar(8000),
@sqlstr1 varchar(8000),
@sqlstr2 varchar(8000),@col varchar(1000),@colid int,@name varchar(20)
Select @sqlstr='select ''Insert '+@tablename
Select @sqlstr1= ' Values ( ''+', @sqlstr2=' ('
--print '5'
select @where = isnull(@where,'')
Select case
-- when a.xtype =173 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end'
when a.xtype =104 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(1),'+a.name +')'+' end'
when a.xtype =175 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'
when a.xtype =61 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),'+a.name +',121)'+ '+'''''''''+' end'
when a.xtype =106 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),'+a.name +')'+' end'
when a.xtype =62 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(23),'+a.name +',2)'+' end'
when a.xtype =56 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(11),'+a.name +')'+' end'
when a.xtype =60 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(22),'+a.name +')'+' end'
when a.xtype =239 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'
when a.xtype =108 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),'+a.name +')'+' end'
when a.xtype =231 the


Ïà¹ØÎĵµ£º

SQL Server 2008ÐÂÌØÐÔ£º¸ü¸Ä¸ú×Ù

ÔÚ´óÐ͵ÄÊý¾Ý¿âÓ¦ÓÃÖУ¬¾­³£»áÓöµ½²¿·ÖÊý¾ÝµÄÍÑ»úºÍ¶à¸öÊý¾Ý¿âµÄºÏ²¢ÎÊÌâ¡£±ÈÈçÏÖÔÚÓÐÒ»¸öÈ«Ê¡·¶Î§Ê¹ÓõÄÓ¦ÓóÌÐò£¬Ã¿¸öÊж¼²¿ÊðÁ˵¥¶ÀµÄÏàͬµÄÓ¦ÓóÌÐò·þÎñÆ÷ºÍÊý¾Ý¿â·þÎñÆ÷£¬Ã¿¸öÔÂÐèÒª½«È«Ê¡ËùÓÐÊеÄÊý¾ÝÈ«²¿»ã×ÜÆðÀ´ÓÃÓÚ³öÈ«Ê¡µÄ±¨±í£¬ÕâÊÇÒ»Öֺܳ£¼ûµÄÊý¾Ý¿âºÏ²¢ÎÊÌâ¡£ÔÙ±ÈÈçÎÒÃÇ×öÁËÒ»¸öSmartClientµÄÓ¦ÓóÌÐò£¬Ã¿¸ö¿ ......

SQL*LoaderʹÓÃÖ¸ÄÏ

Oracle µÄSQL*LOADER¿ÉÒÔ½«ÍⲿÊý¾Ý¼ÓÔص½Êý¾Ý¿â±íÖС£ÏÂÃæÊÇSQL*LOADERµÄ»ù±¾Ìص㣺
1£©ÄÜ×°È벻ͬÊý¾ÝÀàÐÍÎļþ¼°¶à¸öÊý¾ÝÎļþµÄÊý¾Ý
2£©¿É×°Èë¹Ì¶¨¸ñʽ£¬×ÔÓɶ¨½çÒÔ¼°¿É¶È³¤¸ñʽµÄÊý¾Ý
3£©¿ÉÒÔ×°Èë¶þ½øÖÆ£¬Ñ¹ËõÊ®½øÖÆÊý¾Ý
4£©Ò»´Î¿É¶Ô¶à¸ö±í×°ÈëÊý¾Ý
5£©Á¬½Ó¶à¸öÎïÀí¼Ç¼װµ½Ò»¸ö¼Ç¼ÖÐ
6£©¶ÔÒ»µ¥¼Ç¼·Ö½âÔÙ×°Èëµ½± ......

¾­µäSQLÓï¾ä´óÈ«

Ò»¡¢»ù´¡
1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
CREATE DATABASE database-name
2¡¢ËµÃ÷£ºÉ¾³ýÊý¾Ý¿â
drop database dbname
3¡¢ËµÃ÷£º±¸·Ýsql server
--- ´´½¨ ±¸·ÝÊý¾ÝµÄ device
USE master
EXEC sp_addumpdevice 'disk', 'testBack', 'c:\mssql7backup\MyNwind_1.dat'
--- ¿ªÊ¼ ±¸·Ý
BACKUP DATABASE pubs TO testBack
4¡¢Ëµ ......

ÔÚSQL ServerÖÐʹÓÃNewID()·½·¨²úÉúËæ»ú¼¯

ÔÚSQL ServerÖÐʹÓÃNewID()·½·¨²úÉúËæ»ú¼¯
ÀýÈ翼ÊÔϵͳÖеÄËæ»ú³öÌâ
¸Õ¿ªÊ¼Ïëµ½µÄÊÇRandomÀà
µ«ÊÇRandomЧÂÊÓеãµÍ
ºóÀ´Ïëµ½ÁËÔÚÊý¾Ý¿âÀïµÄnewid()
ÓÚÊDzÉÓÃÁËϱ߷½·¨£º
select top 5 * from tablename order by newid()
Ôڴ˱ê¼ÇһϠ......

SQLǶÌ××Ó²éѯ


      ʹÓÃ×Ó²éѯµÄÔ­Ôò
      1.Ò»¸ö×Ó²éѯ±ØÐë·ÅÔÚÔ²À¨ºÅÖС£
      2.½«×Ó²éѯ·ÅÔڱȽÏÌõ¼þµÄÓÒ±ßÒÔÔö¼Ó¿É¶ÁÐÔ¡£
      ×Ó²éѯ²»°üº¬ ORDER BY ×Ӿ䡣¶ÔÒ»¸ö SELECT Óï¾äÖ»ÄÜÓÃÒ»¸ö ORDER BY ×Ó¾ä,
&nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ