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

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.Install;
using System.Diagnostics;
using System.IO;
using System.Xml;
using System.Reflection;
namespace PMS
{
 /// <summary>
 /// DBCustomAction µÄժҪ˵Ã÷¡£
 /// </summary>
 [RunInstaller(true)]
 public class DBCustomAction : System.Configuration.Install.Installer
 {
  /// <summary>
  /// ±ØÐèµÄÉè¼ÆÆ÷±äÁ¿¡£
  /// </summary>
  private System.ComponentModel.Container components = null;
  public DBCustomAction()
  {
   // ¸Ãµ÷ÓÃÊÇÉè¼ÆÆ÷Ëù±ØÐèµÄ¡£
   InitializeComponent();
   // TODO: ÔÚ InitializeComponent µ÷ÓúóÌí¼ÓÈκγõʼ»¯
  }
  private void ExecuteSql(string conn,string DatabaseName,string Sql)
  {
   SqlConnection mySqlConnection=new SqlConnection(conn);  
   SqlCommand Command=new SqlCommand(Sql, mySqlConnection);  
   mySqlConnection.Open();  
   mySqlConnection.ChangeDatabase(DatabaseName);  
   try
   {
    Command.ExecuteNonQuery();
   }  
   finally
   {
    //close Connection  
    mySqlConnection.Close();
   }
  }
  /// <summary>
  /// ÇåÀíËùÓÐÕýÔÚʹÓõÄ×ÊÔ´¡£
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
  &nb


Ïà¹ØÎĵµ£º

SQL ServerÈÕÆÚ¸ñʽµÄת»»(ÊÕ²Ø)

SQL ServerÖÐÎİæµÄĬÈϵÄÈÕÆÚ×Ö¶Îdatetime¸ñʽÊÇyyyy-mm-dd Thh:mm:ss.mmm
ÀýÈç:
select getdate()
2004-09-12 11:06:08.177
Õâ¶ÔÓÚÔÚÒª²»Í¬Êý¾Ý¿â¼ä×ªÒÆÊý¾Ý»òÕßϰ¹ßoracleÈÕÆÚ¸ñʽYYYY-MM-DD HH24:MI:SSµÄÈ˶àÉÙÓÐЩ²»·½±ã.
ÎÒÕûÀíÁËÒ»ÏÂSQL ServerÀïÃæ¿ÉÄܾ­³£»áÓõ½µÄÈÕÆÚ¸ñʽת»»·½·¨:
¾ÙÀýÈçÏÂ:
select CONV ......

¹ØÓÚsqlÈÕÖ¾Îļþ

 Ò»¶Îʱ¼äÀ´£¬Ã¿ÌìµÄ¹¤×÷¶¼±È½ÏÔÓ£¬vb,asp,c#,sql£¬Ã¿Ï×÷¶¼Òª¸ã£¬ÊµÔÚÊÇÀÛ£¡¹¤×÷Ö®Ó࣬ÏëÏ빫˾ºÍ¹¤×÷µÄÇé¿ö£¬¿´À´ÊÇÓбØÒª»»¸ö»·¾³ÁË¡£²»¹ýÒ²ÒªÏȰÑĿǰµÄ¹¤×÷´¦ÀíÍê³É°¡¡£
      ×î½üÓÖÓöµ½Ò»¸öÎÊÌ⣺һ¼Ò¿Í»§Ê¹ÓÃÖеÄÊý¾Ý¿â£¬ÈÕÖ¾ÎļþÒì³£Ôö´ó£¬Æ½¾ùÿÌìÔö¼Ó´óÔ¼Ò»¸öG£¬¶øÊý¾ÝÎļþ±ä» ......

Mysql µ¼³ösqlÎļþ

Ò».MYSQLµÄÃüÁîÐÐģʽµÄÉèÖãº
×ÀÃæ->ÎҵĵçÄÔ->ÊôÐÔ->»·¾³±äÁ¿->н¨->
PATH=“£»path\mysql\bin;”ÆäÖÐpathΪMYSQLµÄ°²×°Â·¾¶¡£
¶þ.¼òµ¥µÄ½éÉÜÒ»ÏÂÃüÁîÐнøÈëMYSQLµÄ·½·¨£º
1.C:\>mysql -h hostname -u username -p
°´ENTER¼ü£¬µÈ´ýÈ»ºóÊäÈëÃÜÂë¡£ÕâÀïhostnameΪ·þÎñÆ÷µÄÃû³Æ£¬Èçlocalh ......

ORACLEºÍSQLÓï·¨Çø±ð¹éÄÉ

ORACLEºÍSQLÓï·¨Çø±ð¹éÄÉ
Êý¾ÝÀàÐͱȽÏ
ÀàÐÍÃû³Æ
Oracle
SQLServer
±È½Ï
×Ö·ûÊý¾ÝÀàÐÍ CHAR CHAR ¶¼Êǹ̶¨³¤¶È×Ö·û×ÊÁϵ«oracleÀïÃæ×î´ó¶ÈΪ2kb£¬SQLServerÀïÃæ×î´ó³¤¶ÈΪ8kb
±ä³¤×Ö·ûÊý¾ÝÀàÐÍ VARCHAR2 VARCHAR OracleÀïÃæ×î´ó³¤¶ÈΪ4kb£¬SQLServerÀïÃæ×î´ó³¤¶ÈΪ8kb
¸ù¾Ý×Ö·û¼¯¶ø¶¨µÄ¹Ì¶¨³¤¶È×Ö·û´® NCHAR NCHA ......

SQL Server ÃæÊÔÌâ

Sql³£¼ûÃæÊÔÌ⣨×ܽᣩ
0.ÈçºÎɾ³ýÒ»¸öÓµÓбȽ϶àµÄÊý¾ÝµÄ±í
Èç¹û¸Ã±íËùÔÚµÄÊý¾Ý¿âÓµÓнÏÉÙµÄ±í£¬¿ÉÒÔÏȽ«ÆäÓà±íµ¼³öÈ¥£¬È»ºó·ÖÀëÊý¾Ý¿â£¬ÔÚɾ³ý£¬Ð½¨Ò»¸öͬÃûÊý¾Ý¿â£¬½«ÆäÓà±íÔٴε¼Èë¡£
1.ÓÃÒ»ÌõSQLÓï¾ä ²éѯ³öÿÃſζ¼´óÓÚ80·ÖµÄѧÉúÐÕÃû  
name kecheng fenshu
ÕÅÈý     ÓïÎÄ  &n ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ