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

Orcale µÄSQL Óï¾äÈ¡µÃϵͳµ±Ç°Ê±¼äÓãºsysdate

Orcale µÄSQL Óï¾äÈ¡µÃϵͳµ±Ç°Ê±¼äÓãºsysdate
    µ±ÐèÒªÔÚϵͳµ±Ç°ÈÕÆÚÉϼõÈ¥Ò»Ììʱ¿ÉÒÔÓà  sysdate-1
     ¸½£ºµ±Ö»¶ÔÒ»¶¨ÊýÁ¿µÄ¼Ç¼¸ÐÐËȤʱ¿ÉÒÔÈç rownum<100
select * from SLYC_CUSTINFO_T where indbtime>sysdate-1 and OFFICE_CODE='46' and rownum<100;


Ïà¹ØÎĵµ£º

SQLµÝ¹éÁ½ÕÅÊý¾Ý±í

²¿ÃŽṹ
Id name parentId
-----------------
1 ÈËʲ¿ 0
2
¿ª·¢²¿ 1
3 ·þÎñ²¿ 1
Óû§½á¹¹
Id name departId
--------------------
101
ÕÅÈý 2
102 ÀîËÄ 2
103 ÍõÎå 3
ÏëµÃµ½
ID name
parentId
-------------------
1 ÈËʲ¿ 0
2 ¿ª·¢²¿ 1
101
ÕÅ ......

SQL Server 2000µÄÊý¾Ý¿âÈÝÁ¿

-->Ŀ¼
-->SQL Server ¹¹¼Ü
-->ʵʩϸÔò
-->×î´óÈÝÁ¿ËµÃ÷
 
×î´óÖµ£¨ÊýÁ¿»ò´óС£©
¶ÔÏó SQL Server 7.0 SQL Server 2000
Åú´¦Àí´óС 65,536 * ÍøÂçÊý¾Ý°ü´óС1 65,536 * ÍøÂçÊý¾Ý°ü´óС1
ÿ¸ö¶Ì×Ö·û´®ÁеÄ×Ö½ÚÊý 8,000 8,000
ÿ¸ö text¡¢ntext¡¢»ò image ÁеÄ×Ö½ÚÊý 2 GB£­2 2 GB£­2
ÿ¸ö GROU ......

³¹µ×Çå³ýSQL SERVERÊý¾Ý¿â

ÔÚ¸ø¸÷ºÏ×÷ѧУ°²×°Ó¦ÓÃϵͳ¹ý³ÌÖУ¬·¢ÏÖѧУÀïµÄSQL SERVER 2000Êý¾Ý¿âËð»µÁË֨װºó¶¼·¢ÉúÁËͬÑùµÄÎÊÌ⣬ÄǾÍÊǰ²×°SQL SERVERÊý¾Ý¿â²»³É¹¦¡£Ô­Òò£º¼´Ê¹Äãͨ¹ý¿ØÖÆÃæ°åÀïµÄ“Ìí¼Ó/ɾ³ý³ÌÐò” Õý³£µÄÐ¶ÔØSQL SERVERÊý¾Ý¿â£¬µ«ÊÇ£¬SQL SERVER»¹ÊÇûÓÐÍêÈ«Ð¶ÔØ¸É¾»£¬»¹ÐèÒªÊÖ¹¤½øÐÐһЩ²Ù×÷¡£Òò´ËÖØÐ°²×°²»³É¹¦£¬º ......

linq to sql ÖеÄin ²Ù×÷ʵÏÖ


        string s = " 80,81,83,82";
        string[] s1 = s.Split(',');
        int[] p = new int[s1.Count()];
        for (int i = 0; i < s1.Count( ......

delphi_sql_Óαê·ÖÒ³_·ÖÒ³dbgrid²éѯ

alter procedure qry_page
  @sqlstr nvarchar(4000),     --²éѯ×Ö·û´®
  @page int,                  --µÚNÒ³
  @pagesize int         &n ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ