Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

C# ÓÃSQLн¨Êý¾Ý¿â

1. ³ÌÐòÈçÏ£º
         string str = "Create Database " + "DBname";
         string con = "Data Source=10.0.0.249\\sql2005;Initial Catalog=master;Persist Security Info=True;User ID=sa;Password=sa";
            SqlConnection myConn = new SqlConnection(con);
            SqlCommand myCommand = new SqlCommand(str, myConn);
            try
            {
                myConn.Open();
                myCommand.ExecuteNonQuery();
                Console.WriteLine("SQL Óï¾äÖ´ÐÐÍê³É¡£", "MyProgram");
            }
            catch (System.Exception ex)
            {
                Console.WriteLine(ex.ToString(), "MyProgram");
            }
            finally
            {
                if (myConn.State == ConnectionState.Open)
                {
                    myConn.Close();
   


Ïà¹ØÎĵµ£º

SQL SERVER 2008 Êý¾Ý±ä¸ü²¶»ñ(CDC )

SQL SERVER 2008 Òì²½²¶»ñ±íÊý¾ÝÐÞ¸Ä
 
дµÄ²»¶ÔµÄµØ·½Çë¸÷λָÕý£¬Ð´µÄÒ²±È½ÏÂÒ¡£½²¾¿Õâ¿´°É¡£^ ^
/*
SQL SERVER 2008 Òì²½²¶»ñ±íÊý¾ÝÐÞ¸Ä
 
 
SQL server 2008ΪÒì²½¸ú×ÙËùÓз¢ÉúÔÚÓû§±íÉϵÄÊý¾ÝÐÞ¸ÄÌṩÁËÄÚ½¨µÄ·½·¨,
¶ø²»ÐèÒª±àд×Ô¶¨ÒåµÄ´¥·¢Æ÷»òÕß²éѯ,±ä¸üÊý¾Ý²¶»ñÓµÓÐ×îСÐÔÄÜ¿ªÏú,¿ÉÒÔ
Ó ......

Oracle Sql ÐÔÄÜÓÅ»¯

1£©²»Öª´ó¼ÒÊÇ·ñϲ»¶Ê¹ÓÑNOT IN’ÕâÑùµÄ²Ù×÷£¬Èç¹ûÊÇ£¬ÄǾ¡Á¿Ê¹ÓÃ(NOT) EXISTS Ìæ´ú
2£©ÔÚº£Á¿²éѯʱ¾¡Á¿ÉÙÓøñʽת»»¡£
3£©²éѯº£Á¿Êý¾ÝÊÇ£¬¿ÉÒÔʹÓÃoptimizer['ɔptimaizə] hints£¬ÀýÈç/*+ORDERED */
¾¡Á¿ÉÙÓÃIN²Ù×÷·û£¬»ù±¾ÉÏËùÓеÄIN²Ù×÷·û¶¼¿ÉÒÔÓÃEXISTS´úÌæ¡£
²»ÓÃNOT IN²Ù×÷·û£¬¿ÉÒÔ ......

Xml×Ö·û´®ÓëC#¶ÔÏóÖ®¼äÏ໥ת»»

ÎÒÃdz£³£ÐèÒª¶ÁÈ¡xmlÎļþ£¬°ÑÀïÃæµÄÐÅϢת»¯ÎªÎÒÃÇ×Ô¶¨ÒåµÄÀàÐÍ£¬»òÔò°É×Ô¶¨ÒåÀàÐÍת»¯ÎªXml×Ö·û´®¡£ÔÚÕâÀï½éÉÜÒ»¸ö±È½Ï¼òµ¥µÄ¶ÔÏóת»¯·½·¨¡£ÔÚÎÒ×Ô¼ºµÄFramworkÀïÃæÒ²¶à´ÎÓõ½¡£ÀïÃæÉæ¼°µ½½Úµã¡¢ÊôÐÔ¡¢¼¯ºÏ¡£
ʾÀýÒ» ¸ÃxmlÎļþÉæ¼°µ½ÊôÐÔ¡¢½Úµã¼¯ºÏ²»Éæ¼°¸ö½Úµã£º
<?xml version="1.0" encoding="utf-8"?>
<da ......

C#¡¢ASP.NETÖÐrefºÍoutµÄÇø±ð

ÕâÁ½¸öÊý¾ÝÀàÐÍÊÇÎÒÃÇÔÚѧϰC#ÓïÑԵĹý³ÌÖÐÊý¾Ý±È½ÏÄѵÄÁ½¸öÊý¾ÝÀàÐÍ£¬²»¹ýËûÃǺÜÖØÒª£¬ËùÒÔÓбØÒªÄóöÀ´ËµËµËûÃǵÄʹÓ÷½·¨ºÍ²»Í¬Ö®´¦£¬Ï£Íû¶ÔÄãÓÐËù°ïÖú¡£
ÏÈ×ܵÄÀ´Ëµ£º
ͨ³£ÎÒÃÇÏò·½·¨Öд«µÝµÄÊÇÖµ.·½·¨»ñµÃµÄÊÇÕâЩֵµÄÒ»¸ö¿½±´,È»ºóʹÓÃÕâЩ¿½±´,µ±·½·¨ÔËÐÐÍê±Ïºó,ÕâЩ¿½±´½«±»¶ªÆú,¶øÔ­À´µÄÖµ²»½«Êܵ½Ó°Ïì.´ËÍâÎÒÃÇ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ