Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

±¸·ÝºÍ»¹Ô­SQL Server¼°Ñ¹ËõAccessÊý¾Ý¿â

*
 * ¹¦ÄÜ˵Ã÷:±¸·ÝºÍ»Ö¸´SQL ServerÊý¾Ý¿â
 * ×÷Õß: Áõ¹¦Ñ«;
 * °æ±¾:V0.1(C#2.0);ʱ¼ä:2007-1-1
 * µ±Ê¹ÓÃSQL Serverʱ,ÇëÒýÓà COM×é¼þÖеÄ,SQLDMO.dll×é¼þ
 * µ±Ê¹ÓÃAccessÖÐ,Çëä¯ÀÀÌí¼ÓÒýÓÃÒÔÏÂÁ½¸ödll
 *          ÒýÓÃC:/Program Files/Common Files/System/ado/msadox.dll,¸ÃDLL°üº¬ADOXÃüÃû¿Õ¼ä
 *          ÒýÓÃC:/Program Files/Common Files/System/ado/msjro.dll,¸ÃDLL°üº¬JROÃüÃû¿Õ¼ä
 * *******************************************************************************/
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using ADOX;//¸ÃÃüÃû¿Õ¼ä°üº¬´´½¨ACCESSµÄÀà(·½·¨)--½â¾ö·½°¸ ==> ÒýÓà ==> Ìí¼ÓÒýÓà ==> ÓÎÀÀÕÒµ½.dll
using JRO;//¸ÃÃüÃû¿Õ¼ä°üº¬Ñ¹ËõACCESSµÄÀà(·½·¨)
namespace EC
{
    /// <summary>
    /// Êý¾Ý¿â»Ö¸´ºÍ±¸·Ý
    /// </summary>
    public class SqlBackObject
    {
        public SqlBackObject()
        {
            //
            // TODO: ÔÚ´Ë´¦Ìí¼Ó¹¹Ô캯ÊýÂß¼­
            //
        }
        #region SQLÊý¾Ý¿â±¸·Ý
       /// <summary>
        /// SQLÊý¾Ý¿â±¸·Ý
       /// </summary>
       /// <param name="ServerIP">SQL·þÎñÆ÷IP»ò(Localhost)</param>
    


Ïà¹ØÎĵµ£º

SQL ServerÈÕÆÚ

---Ò»¸öÔµĵÚÒ»Ìì
SELECT DATEADD(mm, DATEDIFF(mm,0,getdate()), 0) 
--- ±¾ÖܵÄÐÇÆÚÒ»
SELECT DATEADD(wk, DATEDIFF(wk,0,getdate()), 0)
---Ò»ÄêµÄµÚÒ»Ìì
SELECT DATEADD(yy, DATEDIFF(yy,0,getdate()), 0)
----¼¾¶ÈµÄµÚÒ»Ìì
SELECT DATEADD(qq, DATEDIFF(qq,0,getdate()), 0)
----ÉϸöÔµÄ×îºóÒ»Ìì
......

SQL Server 2008 ×èÖ¹±£´æÒªÇóÖØÐ´´½¨±íµÄ¸ü¸Ä


MS SQL Server 2008 ÔÚ½¨Íê±íºó£¬Èç¹ûÒª²åÈëÈÎÒâÁУ¬ÔòÌáʾ£º
µ±Óû§ÔÚÔÚSQL Server 2008ÆóÒµ¹ÜÀíÆ÷Öиü¸Ä±í½á¹¹Ê±£¬±ØÐëÒªÏÈɾ³ýÔ­À´µÄ±í£¬È»ºóÖØÐ´´½¨ÐÂ±í£¬²ÅÄÜÍê³É±íµÄ¸ü¸Ä£¬Èç¹ûÇ¿Ðиü¸Ä»á³öÏÖÒÔÏÂÌáʾ£º²»ÔÊÐí±£´æ¸ü¸Ä¡£ÄúËù×öµÄ¸ü¸ÄÒªÇóɾ³ý²¢ÖØÐ´´½¨ÒÔÏÂ±í¡£Äú¶ÔÎÞ·¨ÖØÐ´´½¨µÄ±ê½øÐÐÁ˸ü¸Ä»òÕ߯ôÓÃÁË“× ......

SQL³£¼û²éѯÎÊÌâ(±à³Ì)


ÓÐЩ³£¼ûµÄÎÊÌâÔÚÂÛ̳Öв»¶Ï³öÏÖ£¬²»·ÁÕûÀíһϡ£
ÒÔÏÂÓï¾äÊÇÔÚSQLServer2005ÉÏʵÏֵģ¬Ò»Ð©Óï¾äÎÞ·¨ÔÚSS2000ÉÏÖ´ÐС£
ÓÐÓÃÖ¸ÊýÊÇÎÒ¸ù¾ÝÕâ¸öÎÊÌâµÄ³£¼û³Ì¶È´òµÄ·Ö£¬½ö¹©²Î¿¼¡£Êµ¼ÊÉÏ£¬µ±ÄãÓöµ½ÁËÕâ¸öÎÊÌ⣬Õâ¸öÎÊÌâÄÄÅÂÔÙÉÙ¼û£¬½â¾ö·½°¸Ò²ÊǷdz£ÓÐÓõġ£
1. Éú³ÉÈô¸ÉÐмǼ
ÓÐÓÃÖ¸Êý£º¡ï¡ï¡ï¡ï¡ï
³£¼ûµÄÎÊÌâÀàÐÍ£º¸ù ......

¼òµ¥µ«ÓÐÓõÄSQL½Å±¾

ÐÐÁÐת»»
create table test(id int,name varchar(20),quarter int,profile int)
insert into test values(1,'a',1,1000)
insert into test values(1,'a',2,2000)
insert into test values(1,'a',3,4000)
insert into test values(1,'a',4,5000)
insert into test values(2,'b',1,3000)
insert into test values(2, ......

SQL·ÖÒ³Óï¾ä

ÓйطÖÒ³ SQL µÄ×ÊÁϺܶ࣬ÓеÄʹÓô洢¹ý³Ì£¬ÓеÄʹÓÃÓαꡣ±¾È˲»Ï²»¶Ê¹ÓÃÓα꣬ÎÒ¾õµÃËüºÄ×Ê¡¢Ð§Âʵͣ»Ê¹Óô洢¹ý³ÌÊǸö²»´íµÄÑ¡Ôñ£¬ÒòΪ´æ´¢¹ý³ÌÊǾ­¹ýÔ¤±àÒëµÄ£¬Ö´ÐÐЧÂʸߣ¬Ò²¸üÁé»î¡£ÏÈ¿´¿´µ¥Ìõ SQL Óï¾äµÄ·ÖÒ³ SQL °É¡£
·½·¨1£º
ÊÊÓÃÓÚ SQL Server 2000/2005
SELECT TOP Ò³´óС *
from tab ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ