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

SQLÖÐCONVERTת»¯º¯ÊýµÄÓ÷¨

¸ñʽ:
CONVERT(data_type,expression[,style])
˵Ã÷:
´ËÑùʽһ°ãÔÚʱ¼äÀàÐÍ(datetime,smalldatetime)Óë×Ö·û´®ÀàÐÍ(nchar,nvarchar,char,varchar)
Ï໥ת»»µÄʱºò²ÅÓõ½.
Àý×Ó:
SELECT CONVERT(varchar(30),getdate(),101) now
½á¹ûΪ:
now
---------------------------------------
|09/15/2001
===================================================================
styleÊý×ÖÔÚת»»Ê±¼äʱµÄº¬ÒåÈçÏÂ:
------------------------------------------------------------------------------------------------------------
Style(2λ±íʾÄê·Ý)   |  Style(4λ±íʾÄê·Ý)   |   ÊäÈëÊä³ö¸ñʽ                                    
------------------------------------------------------------------------------------------------------------
0                               | 100                           |   mon dd yyyy hh:miAM(»òPM)              
------------------------------------------------------------------------------------------------------------
1                               |  101   ÃÀ¹ú                |   mm/dd/yy              &n


Ïà¹ØÎĵµ£º

C#´ò°üSQLÊý¾Ý¿â²¿Êð°²×°


²Î¿¼¡¶ASP.NETÓëSQLÒ»Æð´ò°ü²¿Êð°²×°¡·
£¬ÕâÆªÎÄÕÂÊÇÕë¶ÔVB.NETÓëSQL Ò»Æð´ò°üµÄ,µ«ÊÇÎÒʹÓõÄÊÇC#,µ±È»Ö»ÒªÐÞ¸ÄÒ»ÏÂÖ÷Òª°²×°Àà¿â¾ÍÐÐÁË!C#µÄÀà¿â´úÂëÈçÏÂ:DBCustomAction.cs
using System;
using System.Collections;
using System.Data.SqlClient;
using System.ComponentModel;
using System.Configuration.Inst ......

SQL ServerÊý¾Ý¿â±¸·ÝºÍ»Ö¸´´ëÊ©

Ò»¡¢±¸·ÝÊý¾Ý¿â
1¡¢´ò¿ªSQLÆóÒµ¹ÜÀíÆ÷£¬ÔÚ¿ØÖÆÌ¨¸ùĿ¼ÖÐÒÀ´Îµã¿ªMicrosoft SQL Server
2¡¢SQL Server×é-->Ë«»÷´ò¿ªÄãµÄ·þÎñÆ÷-->Ë«»÷´ò¿ªÊý¾Ý¿âĿ¼
3¡¢Ñ¡ÔñÄãµÄÊý¾Ý¿âÃû³Æ£¨ÈçÂÛ̳Êý¾Ý¿âForum£©-->È»ºóµãÉÏÃæ²Ëµ¥ÖеŤ¾ß-->Ñ¡Ôñ±¸·ÝÊý¾Ý¿â
4¡¢±¸·ÝÑ¡ÏîÑ¡ÔñÍêÈ«±¸·Ý£¬Ä¿µÄÖеı¸·Ýµ½Èç¹ûÔ­À´Óз¾¶ºÍÃû³ ......

ÈçºÎÁ¬½ÓSQL ServerÊý¾Ý¿â£¨Java°æ£©

ÓÃJavaÁ¬½ÓSQL Server2000Êý¾Ý¿âÓжàÖÖ·½·¨£¬ÏÂÃæ½éÉÜÆäÖÐ×î³£ÓõÄÁ½ÖÖ£¨Í¨¹ýJDBCÇý¶¯Á¬½ÓÊý¾Ý¿â£©¡£
1. ͨ¹ýMicrosoftµÄJDBCÇý¶¯Á¬½Ó¡£´ËJDBCÇý¶¯¹²ÓÐÈý¸öÎļþ£¬·Ö±ðÊÇmssqlserver.jar¡¢msutil.jarºÍmsbase.jar£¬¿ÉÒÔµ½Î¢ÈíµÄÍøÕ¾È¥ÏÂÔØ£¨http://www.microsoft.com/downloads/details.aspx?FamilyId=07287B11-0502-461A-B ......

²Ù×÷ÈÕÆÚµÄSQLÓï¾ä´óÈ«

1.ÏÔʾ±¾ÔµÚÒ»Ìì
SELECT DATEADD(mm,DATEDIFF(mm,0,getdate()),0)
select convert(datetime,convert(varchar(8),getdate(),
120)+’01’,120)
2.ÏÔʾ±¾ÔÂ×îºóÒ»Ìì
select dateadd(day,-1,convert(datetime,convert
(varchar(8),dateadd(month,1,getdate()),120)+’01’,120))
SELECT ......

SQL È¡nµ½mÌõ¼Ç¼

1.
select   top   m   *   from   tablename   where   id   not   in   (select   top   n   id   from   tablename)
2.
select   top & ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ