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///<summary>
      ///±¸·ÝÊý¾Ý¿âµ½±¾µØ´ÅÅÌ
      ///</summary>
    public bool BackUp(string BackUpFile)
    {
        try
        {
          //µÚÒ»²½£ºÔÚ·þÎñÆ÷ÉÏ´´½¨ÁÙʱÎļþ¼Ð
          ExecuteSql(@"master..xp_cmdshell 'md C:\temp'");
          ExecuteSql(@"master..xp_cmdshell 'del C:\temp\*.* /q'");
          //µÚ¶þ²½£º±¸·ÝÊý¾Ý¿âµ½·þÎñÆ÷Ŀ¼
          ExecuteSql(@"backup database " + DataBaseName() + @" to disk='C:\temp\HSSY'");
          //µÚÈý²½£º¹²Ïí·þÎñÆ÷µÄ±¸·ÝĿ¼
          ExecuteSql(@"master..xp_cmdshell 'net share SQLDATABACK=C:\temp'");
          //µÚËIJ½£º¸´ÖÆ·þÎñÆ÷Éϵı¸·ÝÎļþµ½±¾µØ
          File.Copy(@"\\" + ServerIP() + @"\SQLDATABACK\HSSY", BackUpFile,true);
          
          return true;
        }
        catch (System.Data.SqlClient.SqlException E)
        {
          throw new Exception(E.Message);
        }
      


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ORACLE SQLÖ´Ðв½Öè

 ORACLE sql µÄ´¦Àí¹ý³Ì´óÖÂÈçÏ£º
 1.ÔËÓÃHASHËã·¨£¬µÃµ½Ò»¸öHASHÖµ£¬Õâ¸öÖµ¿ÉÒÔͨ¹ýV$SQLAREA.HASH_VALUE ²é¿´
 2.µ½shared pool ÖÐµÄ library cache ÖвéÕÒÊÇ·ñÓÐÏàͬµÄHASHÖµ£¬Èç¹û´æÔÚ£¬ÔòÎÞÐèÓ²½âÎö£¬½øÐÐÈí½âÎö
 3.Èç¹ûshared pool²»´æÔÚ´ËHASHÖµ£¬Ôò½øÐÐÓï·¨¼ì²é£¬²é¿´ÊÇ·ñÓÐÓï·¨´íÎó
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sql ±¸·ÝºÍɾ³ý

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DECLARE @strPath NVARCHAR(200)
set @strPath = convert(NVARCHAR,getdate(),120)
set @strPath='hq'+rtrim(left(replace(@strPath,'-',''),8))
set @strPath = 'D:\sqlback\mydb\' + @strPath + '.bak'
BACKUP DATABASE [mydb] TO DISK = @strPath WITH NOFORMAT, NOINIT, NAME = N'mydb-ÍêÕû Êý¾Ý¿â ±¸·Ý', ......

sql update Ó÷¨

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 create table a
(
 fid int,
 call varchar(20),
 age int
)
create table b
(
 fid int,
 caller varchar(20),
 parentId int
)
select * from a
select * from b
insert into a values(1,null,19)
insert into a values(2,n ......

oracleÖÐʵÏֵݹé²éѯµÄSQL£¨connect by prior£©

    ǰ¶Îʱ¼ä×öÁËÒ»¸öÐéÄâ×éÖ¯µÄ´´½¨¡£Õâ¸öÐéÄâ×éÖ¯µÄ´´½¨ÊÇ´ÓÏÖÓеÄ×éÖ¯ÖжÁÈ¡Êý¾ÝÈ»ºó½øÐзÖÎö±£´æµ½ÐéÄâ×éÖ¯±íÖС£±£´æÖ®ºóдÈÕÖ¾·½±ãͬ²½µ½ÆäËüϵͳÖС£¹«Ë¾Ê¹ÓõÄÖ÷Òª¼¼ÊõÊÇSSH¡£ÓÉÓÚÊÇÐÂÈËûÓÐʲô¾­Ñ飬¼Ó֮ʱ¼ä±È½Ï½ôÆÈ£¬×îºóʹÓÃÒ»°ãµÄÂß¼­Ë¼Ïëͨ¹ýµÝ¹éÔÚhibernateÏÂ˳Àû´´½¨ÁË¡£¿ÉÊÇ´ÓÏÖÓеÄ×éÖ¯Ö ......

C# SQLÊý¾Ý¿â²Ù×÷ͨÓÃÀà


C# SQLÊý¾Ý¿â²Ù×÷ͨÓÃÀà
using System;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Collections;
namespace Framework.DataBase
{
///
/// ͨÓÃÊý¾Ý¿âÀà
///
public class DataBase
{
private string ConnStr = null;
public DataBase()
{
 &nb ......
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