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

sql Óï¾ä



±í Table  ÁР A  ÁÐÖÐÓÐ ÀàÐÍ Îª1  Ϊ2  Ϊ3  .....

ÏÔʾÀàÐÍΪ 1 µÄºÏ¼Æ 2 µÄºÏ¼Æ 3 µÄºÏ¼Æ .....

ÏÔʾËùÓÐÀàÐÍ 1 2 3 ...


SQL code:
select count(ÀàÐÍ) from A group by ÀàÐÍ


£¿£¿

group by a with cube

SQL code:
SELECT SUM(A) from TB GROUP BY A
??


ÏÔʾËùÓеÄÀàÐÍ

Äܸø³öÊý¾ÝÂð£¿

´ó¸ç´ó½ã  ÀàÐÍÓÐ ºÃ¼¸°ÙÖÖ

ÒýÓÃ
ÏÔʾËùÓеÄÀàÐÍ

¸ø³ö±í½á¹¹
²âÊÔÊý¾Ý
¼°Æä½á¹û

ÃèÊöµÄÌ«º¬ºýÁË

ÒýÓÃ
SQL codeselectsum(casewhen A=1then1else0end)'A',sum(casewhen A=2then1else0end)'B',sum(casewhen A=3then1else0end)'C'fromtable

¶¥4Â¥µÄ

ok ÎÒ´«Í¼


Êý¾Ý,½á¹¹,·½·¨ºÍ½á¹û.


»¹ÊDz»Ã÷°×Â¥Ö÷Ҫʲô£¿£¡

en    ok  ÁË Ð»Ð»´ó¼ÒÁË

ÒýÓÃ
en    ok  ÁË Ð»Ð»´ó¼ÒÁË

°¡
ÊÇÄǸöÂú×ãÄãµÄÒªÇó°¡

ÒýÓÃ
ÒýÓà 16 Â¥ svsstar µÄ»Ø¸´:
en    ok  ÁË Ð»Ð»´ó¼ÒÁË



Ïà¹ØÎÊ´ð£º

ÃÅÍ⺺ÇóÖú...¹ØÓÚºǫ́+SQL+ASP

....½Óµ½Ò»¸öС³ÌÐò..¹¤×÷Ô­À´´ó¸ÅÊÇÕâÑùµÄ...ǰ̨ÊÇWEB·þÎñÆ÷.¼Ü¹¹¾ÍÊÇASP+SQL..ǰ̨ÓÉASPÏòSQLÌí¼Ó·þÎñÀà±ð(±íµ¥).È»ºóÓÖºǫ́³ÌÐò¶ÁÈ¡±íµ¥..Ҫʵʱ¶ÁÈ¡..È»ºóÏÔʾÔÚ·þÎñÆ÷ÉÏÃæ..´ÓÀíÂÛÉÏÃæÄÜÐÐͨ²»?Èç¹û¿ÉÒÔ..ºǫ́ ......

sql ÎÊÌâ

DateTime startTime=DateTime(em_1.Text)
DateTime endTime=DateTime(em_2.Text)

string sql
sql = dw_1.GetSQLSelect()+"Where (StartTime> '"+startTime+"') and (EndTime ......

sqlÓï¾äÖÐÄܲ»ÄÜÕâÑùÅÅÐò£¿

Êý¾Ý±í¡¾biao¡¿£¬
×ֶΣºid¡¢myname¡¢mytxt
mytxtÄÚÈݸñʽÐÎÈ磺n|abcd¡££¨ÀýÈ磺1|ÁõµÂ»ª£¬2|Èδﻪ£¬3|αÌϼ£¬4|Âõ¿Ë@½Ü¿ËÑ·£©

ÎÒÏÖÔÚÏ£Íû¶Á¼Ç¼³öÀ´ºó£¬°´ÕÕ[mytxt]×Ö¶ÎÀïµÄÊúÏߣ¨|£©Ç°ÃæµÄÄǸöÊý× ......

²»Ã÷°×µÄSQL×¢ÈëÎÊÌâ

ÎÒÊý¾Ý¿âÊÇMSSQLµÄ£¬×òÌìËùÓÐµÄ±í±»×¢ÈëJS½Å±¾´úÂë,Óиö²»Ã÷°×µÄµØ·½À´ÎÊÎÊ´ó¼Ò

ÎÒ·¢ÏÖÓÐЩ±íÎÒ¸ù±¾Ã»Ê¹Óã¬Ò²Ã»ÓÐÈë¿âµÄASPÒ³ÃæºÍÓï¾ä£¬ËüÊÇÔÛ¸ö×¢ÈëµÄÄØ£¿
Ã²ËÆselectÓï¾äÊÇ¿ÉÒÔǶÌ׵İɣ¿
¿ÉÄÜÊÇwhere ......

ÔÚsqlÖÐʹÓÃoutputºÍ²»Ê¹ÓõÄÇø±ð£¿

ÔÚsqlÖÐʹÓÃoutputºÍ²»Ê¹ÓõÄÇø±ð£¿
ÀýÈ磺
ALTER PROCEDURE [dbo].[sp_1]
@SYS_LNNO varchar(20),
@SYS_CALLER varchar(20),
        @SYS_ORGANIZE varchar(10), ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ