SQL Server 2005 (MSSQLSERVER) ·þÎñ²»ÄÜÆô¶¯
SQL Server 2005 (MSSQLSERVER) ·þÎñ²»ÄÜÆô¶¯
ÔÒò:VIAÐÒ锸øÆôÓÃÁË£¬Í£ÓÓVIAÐÒé”ÎÊÌâ½â¾ö¡£
"VIAÐÒé"Í£Ó÷½·¨£º¿ªÊ¼->³ÌÐò->Microsoft SQL Server 2005->ÅäÖù¤¾ß->SQL Server Configuration Manager ->´ò¿ªºóÕÒµ½"SQL Server 2005 ÍøÂçÅäÖÃ"->MSSQLSERVER ÊôÐÔµÄÐÒé ÔÚÓұߵÄÊôÐÔ¿òÖаѓVIAÐÒ锽ûÓü´¿É!
Microsoft SQL Server 2005 ´íÎó233
½â¾ö·½·¨£º´ò¿ª“¿ªÊ¼—ËùÓгÌÐò—Microsoft SQL Server 2005
—ÅäÖù¤¾ß—SQL Server ÅäÖùÜÀíÆ÷”£¬
ÔÚµ¯³öµÄ´°ÌåÖУ¬ÕÒµ½“SQL Server 2005 ÍøÂçÅäÖÔ£¬
Ïà¹ØÎĵµ£º
¹þÏ£Áª½ÓÊǵÚÈýÖÖÎïÀíÁª½ÓÔËËã·û£¬µ±Ëµµ½¹þÏ£Áª½Óʱ£¬ËüÊÇÈýÖÖÁª½ÓÔËËãÖÐÐÔÄÜ×îºÃµÄ£®Ç¶Ì×Ñ»·Áª½ÓÊÊÓÃÓÚÏà¶Ô½ÏСµÄÊý¾Ý¼¯£¬¶øºÏ²¢Áª½ÓÊÊÓÃÓÚÖеȹæÄ£µÄÊý¾Ý¼¯£¬¶ø¹þÏ£Áª½ÓÔòÊÊÓÃÓÚ´ó¹æÄ£Áª½ÓµÄÊý¾Ý¼¯£®
¹þÏ£Áª½ÓËã·¨²ÉÓ㢹¹½¨£¢ºÍ£¢Ì½²â£¢Á½²½À´Ö´ÐУ®ÔÚ£¢¹¹½¨£¢½×¶Î£¬ËüÊ×ÏÈ´ÓµÚÒ»¸öÊäÈëÖжÁÈ¡ËùÓÐÐУ¨³£½Ð×ö×ó»ò¹¹½¨Ê ......
ϵͳº¯Êý
1.case when ... then ..else ..end(ÓÃÓÚ¶ÔÌõ¼þ½øÐвâÊÔ)
e.Select id,case when name='deepwishly' then 'ÀÏ´ó' else 'ÆäËû' end as Type
ÏÔʾ id type
1 ÀÏ´ó
2.cast()/convert() ǰÕß¾ßÓÐANSI SQL-92¼æÈÝÐÔ£¬ºóÕß¹¦ÄܸüÇ ......
ÎÒÃÇÒª×öµ½²»µ«»áдSQL,»¹Òª×öµ½Ð´³öÐÔÄÜÓÅÁ¼µÄSQL,ÒÔÏÂΪ±ÊÕßѧϰ¡¢ÕªÂ¼¡¢²¢»ã×ܲ¿·Ö×ÊÁÏÓë´ó¼Ò·ÖÏí£¡
£¨1£© Ñ¡Ôñ×îÓÐЧÂʵıíÃû˳Ðò(Ö»ÔÚ»ùÓÚ¹æÔòµÄÓÅ»¯Æ÷ÖÐÓÐЧ)£º
ORACLEµÄ½âÎöÆ÷°´ÕÕ´ÓÓÒµ½×óµÄ˳Ðò´¦Àífrom×Ó¾äÖеıíÃû£¬from×Ó¾äÖÐдÔÚ×îºóµÄ±í(»ù´¡±í driving table)½«±»×îÏÈ´¦Àí£ ......
ÏÂÃæÊÇÎÒ×ܽá³öÀ´µÄÒ»¸öÊý¾Ý¿â·ÃÎʹ«¹²À࣬»ùÓÚADO.NET£¬C#µÄ£¬ÆäÖУ¬ÒÔÖØÔØµÄ·½Ê½ÊµÏÖʹÓôæÊô¹ý³ÌµÄ½Ó¿ÚºÍ²»Óô洢¹ý³ÌµÄ½Ó¿Ú£¬ÈçÓв»Í×Çë´ó¼ÒÖ¸Õý£¬Ð»Ð»~
×÷Õߣºshinehoo
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
namespace shineh ......