sql c#
C-#ÈëÞµä(µÚÈý°æ).pdf
using System;
using System.Data;
using System.Data.SqlClient;
namespace My_Student
{
static class Program
{
static void Main()
{
//Á¬½Ó×Ö·û´®£¬Á¬½Ó±¾µØµÄMS SQL Server·þÎñÆ÷
string connString = "data source=MICROSOF-84BB45;persist security info=False;initial catalog=MyDB;integrated security=SSPI;";
//SQLÓï¾ä£¬É¾³ý¼Ç¼
string sqlString = "delete from Courses where CourseNo='001'";
//½¨Á¢Á¬½Ó¶ÔÏó
SqlConnection conn = new SqlConnection(connString);
conn.Open();//´ò¿ªÁ¬½Ó
//½¨Á¢Êý¾ÝÃüÁî¶ÔÏó
SqlCommand cmd = new SqlCommand(sqlString, conn);
//Ö´ÐÐÃüÁ·µ»ØÓ°ÏìµÄÐÐÊý
int rowsReturned = cmd.ExecuteNonQuery();
Console.WriteLine("{0} ¼Ç¼ÒÑɾ³ý", rowsReturned);
MessageBox.Show("Êý¾Ý¿â¸üгɹ¦£¡£¡");
conn.Close();//¹Ø±ÕÁ¬½Ó
}
}
}
try
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select * into b from a where 1<>1
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insert into b(a, b, c) select d,e,f from b;
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select a.title,a.username,b.adddate ......
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if object_id('NewTable') is not null/*ÅжϱíNewTabl ......
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¾¡Á¿±ÜÃâÔÚÒ»¸ö¸´ÔÓ²éѯÀïÃæÊ¹Óà LIKE '%parm1%'—— ºìÉ«±êʶλÖõİٷֺŻᵼÖÂÏà¹ØÁеÄË÷ÒýÎÞ·¨Ê¹Óã¬×îºÃ²»ÒªÓÃ.
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create procedure getArticle
as
select * from Article_Content
GO
asp.net µ÷Ó÷½·¨
SqlConnection Conn = new SqlConnection();
Conn.ConnectionString = Data.Connstr();
Conn.Open();
......