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

SQL Server µÄÁ¬½Ó¡¢²éѯÓë¸üÐÂ

#Region " ÃüÃû¿Õ¼ä "
Imports System.Data
Imports System.Data.SqlClient
#End Region
Public Class DBCommon
Implements IDisposable
#Region " ³ÉÔ±±äÁ¿ "
Private conn As SqlConnection
Private cmd As SqlCommand
Private trans As SqlTransaction
#End Region
#Region " ¹¹Ô캯Êý "
Public Sub New()
Connection()
End Sub
#End Region
#Region " ¹ý³Ìº¯Êý "
Public Sub Dispose() Implements IDisposable.Dispose
Close()
End Sub
Public Sub Close()
If conn Is Nothing Then
Return
End If
conn.Close()
conn.Dispose()
conn = Nothing
End Sub
Public Sub ClearParameter()
cmd.Parameters.Clear()
End Sub
Public Sub AddParameter( _
ByVal ParameterName As String, _
ByVal SqlDbType As SqlDbType, _
ByVal Size As Integer, _
ByVal Value As Object)
cmd.Parameters.Add(ParameterName, SqlDbType, Size).Value = Value
End Sub
Public Sub Fill( _
ByVal dtResult As DataTable, _
ByVal strSqlBun As String, _
ByVal Parameter As SqlParameter)
Dim objAdpt As SqlDataAdapter
objAdpt = New SqlDataAdapter(strSqlBun, conn)
cmd.CommandText = strSqlBun
objAdpt.SelectCommand = cmd
objAdpt.Fill(dtResult)
End Sub
Public Sub ExecuteNonQuery(ByVal strSqlBun As String)
cmd.CommandText = strSqlBun
cmd.ExecuteNonQuery()
End Sub
Public Sub BeginTransaction()
trans = conn.BeginTransaction()
End Sub
Public Sub Commit()
trans.Commit()
End Sub
Public Sub Rollback()
trans.Rollback()
End Sub
Protected Overrides Sub Finalize()
Close()
MyBase.Finalize()
End Sub
Private Sub Connection()
Dim strConnectionString As String
strConnectionString = My.MySettings.Default.ConnectionString
conn = New SqlConnection(strConnectionS


Ïà¹ØÎĵµ£º

SQLÖÐÈçºÎÓÃÒ»¸ö±í¸üÐÂÁíÒ»¸ö±í

for ACCESS :
update a, b set a.name=b.name1 where a.id=b.id
for SQL Server:
"update a set a.name=b.name1 from a,b where a.id=b.id"
update   a   set   a.status=b.status  
  from   table1   a,table2   b  
&nbs ......

ÔÚSQL Server 2005ÖÐÓô洢¹ý³ÌʵÏÖËÑË÷¹¦ÄÜ


ÏÖÔںܶàÍøÕ¾¶¼ÌṩÁËÕ¾ÄÚµÄËÑË÷¹¦ÄÜ£¬Óеĺܼòµ¥ÔÚSQLÓï¾äÀï¼ÓÒ»¸öÌõ¼þÈ磺where names like ‘%words%’¾Í¿ÉÒÔʵÏÖ×î»ù±¾µÄËÑË÷ÁË¡£
    ÎÒÃÇÀ´¿´¿´¹¦ÄÜÇ¿´óÒ»µã£¬¸´ÔÓÒ»µãµÄËÑË÷ÊÇÈçºÎʵÏֵģ¨ÔÚSQL¡¡£Ó£Å£Ò£Ö£Å£Ò£²£°£°£¯£²£°£°£µÍ¨¹ý´æ´¢¹ý³ÌʵÏÖËÑË÷Ëã·¨£©¡£
    ÎÒÃÇ ......

±ðÈöÔSql Server µÄÐÔÄܲâÊÔÊý¾ÝÃÔ»óÄã

Êý¾Ý¿âµÄÐÔÄܲâÊÔ¿ÉÒÔ°ïÖúÄãÌáǰ֪µÀÄãµÄϵͳµÄ¸ºÔØÄÜÁ¦£¬¿ÉÒÔ°ïÖúÄã¸Ä½øÏµÍ³µÄʵʩ»òÉè¼Æ£¬¿ÉÒÔ°ïÖúÄãÈ·¶¨Ò»Ð©Éè¼ÆºÍ±à³ÌÔ­Ôò. µ«ÊÇ£¬ÕâÀïÃæÒ²ÓÐÏÝÚå. Èç¹û²»Ð¡ÐÄ£¬Äã»á×Ô¼º°Ñ×Ô¼ºÏݽøÈ¥£¬È´×îÖÕ²»Ã÷°×ÊÇʲôԭÒò. ÕâÀÎÒÄÃһλÏÈÉúΪÀý£¬À´¿´¿´ËûÔõô×Ô¼º°Ñ×Ô¼º¸ãºýÍ¿µÄ.
×î½ü, ÏëÆðÔÚ´æ´¢¹ý³ÌÖо¿¾¹ÊÇʹÓÃÁÙʱ±í»¹ÊÇÊ ......

½«Excelµ¼ÈëSQL SERVER2005Êý¾Ý¿â

/*
±¾ÎÄרעÓÚ½«Excelµ¼ÈëSQL SERVER2005Êý¾Ý¿â
´Ë·¾¶ÏµÄÕâ¸ö¹¤¾ß£¬ÊÇSQL SERVER2005 ÓÃÀ´µ¼Èëµ¼³öÊý¾ÝµÄ¹¤¾ß¡£
C:\Program Files\Microsoft SQL Server\90\DTS\Binn\DTSWizard.exe
Ò»°ãÔÚÊý¾Ý¿âÃûÉÏ--ÓÒ¼ü-->Tasks-->Import Data -->½çÃæ¾Í³öÀ´ÁË£¬ºÍµã»÷ÉÏÃæµÄ¹¤¾ßÊÇÒ»¸ö¶«Î÷¡£
Ê×´ÎʹÓÃÕâ¸öD ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ