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

sqlÓï¾ä»ñÈ¡¼Ç¼Êý

StrSQL="Select * from "&DataTable&" Where ID In("& ID &") and Shop_ID="&Shop_ID&Taxis


ÈçºÎ»ñÈ¡ËûµÄ¼Ç¼Êý?
@@ROWCOUNT

Select count(*) from

StrSQL="Select count(*) from "&DataTable&" Where ID In("& ID &") and Shop_ID="&Shop_ID&Taxis

count(1)

²»Ã÷°×°¡

ÒýÓÃ
@@ROWCOUNT

¶¥

StrSQL="Select COUNT(*) from "&DataTable&" Where ID In("& ID &") and Shop_ID="&Shop_ID&Taxis
ÔÚ³ÌÐòÖÐÕâÑùÓÃ

¿´Â¥Ö÷µÄÓï¾ä,Ó¦¸ÃÊÇÔÚ¿ª·¢³ÌÐòʱʹÓÃado¶ÔÏóÁ¬½ÓsqlÈ»ºó·µ»ØÊý¾ÝµÄ°É,Èç¹ûÊÇÕâÑù,ÄÇôado¶ÔÏó¶¼»áÓÐÒ»¸öÊôÐÔ±êʶÕâ´Î²Ù×÷·µ»ØÁ˶àÉÙÐмǼµÄ.Èç¹ûÖ±½ÓÔÚsqlÀïÔËÐÐ,ÄÇô¿ÉÒÔÓÃϵͳ±äÁ¿@@rowcountÀ´È¥µÄ¼Ç¼Êý.

declare @rows int
select * from ±íÃû where Ìõ¼þ
set @rows = @@rowcount
select @rows
Õâ¶Î´úÂë¾ÍÄÜ·µ»ØËù²éѯµÄ¼Ç¼ÊýÁË.

StrSQL="Select count(*) from "&DataTable&" Where ID In("& ID &") and Shop_ID="&Shop_ID&Taxis

Á½ÖÖ¶¼¿ÉÒÔ£º
1.Count(*)
2.@@Rowcount


Ïà¹ØÎÊ´ð£º

ÇóSQL£¿

´ó¼ÒºÃ£¬ÇëÎÊÔÚ±íMÖÐÓÐ×ֶΣºa b c d e 
ÎÒÏë²é³öÆäÖÐÂú×ãÏÂÃæÈÎÒâÒ»ÏîµÄÊý¾Ý£¬1.×Ö¶Îa µÄÖµ²»ÊÇ ¡®Êé»ò±Ê»ò±¾¡¯ÖÐÈÎÒ»£¬2.aΪÊéµÄʱºò×Ö¶Îb,cÊÇ¿Õ;3.µ±aֵΪ±ÊµÄʱºòdÊÇ¿Õ;4.µ±aΪ±¾µÄʱºòb,d,e¶¼ÊÇ¿Õ;5.È ......

sql server ´æ´¢¹ý³ÌÑ­»·¸³ÖµµÄÎÊÌâ

СµÜÊǸöÐÂÊÖ ÏÖÔÚÓиöÎÊÌâÒ»Ö±²»Äܽâ¾ö
ÀýÈç
procedure produce_proc
    @p001 nvarchar(8000),
    @p002 nvarchar(8000),
    @p003 nvarchar(8000),
  & ......

sqlÈ¡²éѯֵ

ÈçÌ⣺select name from table1
µÃµ½½á¹û£ºname
          СÍõ
          СÕÔ
          СÀî
      ......

SQL serverÊý¾Ý¼¯³ö´íÇóÖú

Á½ÖÖ´íÎó£º
1.Èç¹ûÎÒÕâÑùÉêÃ÷£ºResultSet rs;´íÎóÌáʾÈçÏ£º

An error occurred at line: 51 in the jsp file: /index.jsp
The local variable rs may not have been initialized
48:    ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ