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Microsoft(R) OLE DB Provider for Jet version 3.52 ļ
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(c) 1998 Microsoft CorporationȨ

ĵṩ Microsoft OLE DB Provider for Jet ĵûа»Ϣ

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1. Ʒ˵

2. 

3. ˵

4. ֪Ĵƺ͹

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1. Ʒ˵
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Microsoft OLE DB Provider for Jet ݵı OLE DB ṩߣ Microsoft Access ʹõ .mdb ļ
ʽšʹñ OLE DB ṩߣԲ Microsoft Access ODBC Driver д Microsoft Access 
ݿеݡ

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2. 
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Microsoft OLE DB Provider for Jet °汾׼ʹѯвйص ANSI ׼﷨ɰṩֻ֧
ɷеĲɵ Microsoft Jet-רò﷨вǿѡ

磺parameters parm1 text; select * from Table1 WHERE col1 = [parm1];

ʺš?ʱ°ṩҲ֧ ANSI ﷨磺...WHERE col1 = ? 

° Microsoft OLE DB Provider for Jet ׼ ANSI ﷨ͨ% ͡_ Jet-ר﷨ͨ
* ͡?磬һѯҪ󷵻ʼĸΪAеݡھɰ汾Уд
Ϊ...WHERE col1 LIKE("A*")°Ϊ...WHERE col1 LIKE("A%")ע⣬ѯʹþ
ġ ANSI ׼﷨ٷͬм

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Ԥȴ˷ Microsoft Access .mdb ļ OLE DB ӦóӦóʹõ Microsoft Access 
ODBC DriverȻڿ Microsoft OLE DB Provider for the Microsoft Access Jet ݿ
ЧӦó

 Microsoft OLE DB Provider for Jet ṩԣڷ Microsoft Access ݿļʱ·
ݿӡ(ODBC) 㡣ζҪԴ (DSN) ļODBC  DSN Դӳ䵽
ݿ 

Ҫ Microsoft Access ݿ⣬ĳԤȴ DSN磬ý Microsoft 
Access ݿӣ

 cnnConn = Server.CreateObject("ADODB.Connection")
cnnConn.Open "DSN=PayRollData;UID=SnrAccnt;pwd=Accnt1"

Ȼʹ Microsoft OLE DB Provider for Jetֱӷ Microsoft Access ݿļд
Ӳ漰 DSN

ADOConnection.Provider = "Microsoft.JET.OLEDB.3.51"
ADOConnection.Properties("user id") = "admin"
ADOConnection.Properties("password") = ""
ADOConnection.Properties("data source") = "d:\payroll\raises.mdb"
ADOConnection.Open

֧ʹ Microsoft Access ODBC Driver ӦóȻѡִӦó Microsoft Access 
ODBC Driver ת Microsoft OLE DB Provider for Jet   

ͨ Microsoft OLE DB Provider for Jet Ҫʰȫݿ⣬ܱеĸϢҪָ
ݿ루û룩Ҫ ADO ӶʾԡJet OLEDB:Database Password
һҪָһϵͳݿ⣬ӦʹáJet OLEDB:System database

ע⣬Microsoft OLE DB Provider for Jet дݿĬϷʽΪֻʽ .mdb ļֻļ
ϵͳУʹĬôݿĲʧܡֻֻʽ´Щݿ⡣

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4. ֪Ĵƺ͹
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ѡתӦó˽ṩ߷ʷ֮Ĳͬԡرָ° Microsoft OLE DB 
Provider for Jet ֧ԣ

* ODBC ΪڲָĹ淶﷨
* ͨ Microsoft Jet ɰװ ISAMs ݿļǱ Microsoft Jet ݿ⣨磺Excel
dBaseText ȣ
* 洢ѯʱҲ漰洢

ɰװ ISAM ֧

Ŀǰвֱ֧ʹ Microsoft OLE DB Provider for Jet Ǳ Jet ݿݡ
ӦóⲿݣܹӦüʹ Microsoft OLE DB Provider for ODBC dataֱһ 
Microsoft OLE DB Provider for Jet data 汾ṩ߽ MDAC 2.1 Ч

洢֧

 Access д Microsoft OLE DB Provider for Jet ʹõĴ洢 QuerydefsУû
ֱӴ洢ĳ


г Microsoft OLE DB Provider for Jet 3.52 ֪

ı䴦ݹʱIRowsetUpdate::GetOriginalData ²ʱʧܡ
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ݹҵĸıδʱIRowsetUpdate::GetOriginalData ²ʱʧܡ²еԭʼֵ
ʱJet 3.5 Engine дˣOLE DB ṩִ߲֧˺

 JET ı䡰мԡ⡣
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 Jet 3.52ΪǿƯ·ӳмʵԣԸıмԤԡ磬ʹ
 ICommand::SetProperties  IOpenRowset::OpenRowset  DBPROP_BOOKMARK Ϊ VT_FALSE 
DBPROPOPTIONS_REQUIRED һ𣩣Ȼȡʵʴǩмǿ Jet мͲJet Բ
ͬԷмڷмʱȫʧܡ

ʵЧһЩ OLEDB API ضϢ磬IColumnsInfo::GetColumnsInfo ܷز
ǩĿ

