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VBʵÏÖSQL ServerÊý¾Ý¿â±¸·Ý/»Ö¸´
http://blog.csdn.net/cncco/archive/2006/05/15/729356.aspx
’**Ä£ ¿é Ãû£ºfBackupDatabase_a
’**Ãè    Êö£º±¸·ÝÊý¾Ý¿â,·µ»Ø³ö´íÐÅÏ¢,Õý³£»Ö¸´,·µ»Ø""
’**µ÷    ÓãºfBackupDatabase_a "±¸·ÝÎļþÃû","Êý¾Ý¿âÃû"
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’**          sBackUpfileName  »Ö¸´ºóµÄÊý¾Ý¿â´æ·ÅĿ¼
’**          sDataBaseName    ±¸·ÝµÄÊý¾ÝÃû
’**          sIsAddBackup     ÊÇ·ñ×·¼Óµ½±¸·ÝÎļþÖÐ
’**˵    Ã÷£ºÒýÓÃMicrosoft ActiveX Data Objects 2.x Library
’**´´ ½¨ ÈË£º×Þ½¨
’**ÈÕ    ÆÚ£º2003Äê12ÔÂ09ÈÕ
’*************************************************************************
Public Function fBackupDatabase_a(ByVal sBackUpfileName$ _
                                , ByVal sDataBaseName$ _
                                , Optional ByVal sIsAddBackup As Boolean = False _
                                ) As String
                               
    Dim iDb As ADODB.Connection
    Dim iConcStr$, iSql$, iReturn$
   
    On Error GoTo lbErr
   
    ’´´½¨¶ÔÏ


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CREATE OR REPLACE PACKAGE BODY PACK_RISK_FUNCTION AS
--- 1 ½«·ûºÅÌæ»»³É#ºÅ »òÐí¿ÉÒÔÓÃÕýÔò±í´ïʽ£¬µ«ÊÇÏÓÂé·³»¹ÊÇÖ±½ÓÓÃÌæ»»
FUNCTION CHANGE_OPERATOR(FORMULA VARCHAR2)
RETURN VARCHAR2
AS
V_FORMULA VARCHAR2(100);
BEGIN
V_FORMULA := REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(FORMULA,'(',''), ......

SQL»ù´¡Ìâ

Student(S#,Sname,Sage,Ssex) ѧÉú±í
Course(C#,Cname,T#) ¿Î³Ì±í
SC(S#,C#,score) ³É¼¨±í
Teacher(T#,Tname) ½Ìʦ±í
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select a.S# from (select s#,score from SC where C#='001') a,(select s#,score
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sql server back up database

sql server  »¹Ô­Ò»¸öÊý¾Ýµ½¾ßÌåµÄʱ¼ä
Êý¾Ý¿âµÄ¸½¼Ó:
sp_attach_db mark ,'C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data\mark.mdf'
Êý¾Ý¿âµÄ·ÖÀë:
sp_deattach_db mark ,'C:\Program Files\Microsoft SQL
Server\MSSQL.1\MSSQL\Data\mark.mdf'
Êý¾Ý¿âµÄÍêÈ«±¸·Ý:
backup database mark to disk ......
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