原文出处：http://blog.csdn.net/flyany2000/archive/2005/10/14/503945.aspx
异构数据库之间的导入导出
//MSSQL2EXCEL
ADOConnection1.ConnectionString:=
'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=G:\mysmallexe\excel2sql\yp.xls;'
+'Extended Properties=excel 8.0';
ADOConnection1.Execute('select * into [Abc] from drug_yk IN [ODBC] [ODBC;Driver=SQL
Server;UID=sa;PWD=kcsoft58;Server=127.0.0.1;DataBase=kcsoft_his]');
//把一个MSSQL的数据库表及数据导出到excel中,abc为excel中不存在的表名，drug_yk为MSSQL里的表, sa为
用户, kcsoft58为密码 , 127.0.0.1为服务大地址 ，kcsoft_his是数据库名称
ADOConnection1.Execute('insert into [abc] select * from drug_yk in [ODBC] [ODBC;Driver=SQL
Server;UID=sa;PWD=kcsoft58;Server=127.0.0.1;DataBase=kcsoft_his]');
//把一个MSSQL的数据库表的记录增加到到excel中，执行以后相当于两倍量的数据，一次是导入，一次是
insert
//EXCEL2MSSQL
ADOConnection1.ConnectionString:='Provider=SQLOLEDB.1;Password=KCSOFT58;Persist Security
Info=True;User ID=SA;Initial Catalog=KCSOFT_HIS;Data Source=CHEN';
ADOConnection1.Execute('SELECT * into [abc] FROM OpenDataSource( '
+QuotedStr('Microsoft.Jet.OLEDB.4.0')+','
+QuotedStr('Data Source="G:\mysmallexe\excel2sql\yp.xls";Extended Properties=excel 8.0')
+')...[Abc]');
//MSSQL2VFP
ADOConnection2.ConnectionString:=
'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=G:\mysmallexe\excel2sql;'
+'Extended Properties=dBase 5.0';
ADOConnection2.Execute('select * into Abc.dbf from drug_yk IN [ODBC] [ODBC;Driver=SQL
Server;UID=sa;PWD=kcsoft58;Server=127.0.0.1;DataBase=kcsoft_his]');
//把一个MSSQL的数据库表及数据导出到VFP中,Abc.dbf 为VFP中不存在的表名，drug_yk为MSSQL里的表, sa为
用户, kcsoft58为密码 , 127.0.0.1为服务大地址 ，kcsoft_his是数据库名称
//VFP2MSSQL
ADOConnection2.ConnectionString:='Provider=SQLOLEDB.1;Password=KCSOFT58;Persist Security
Info=True;User ID=SA;Initial Catalog=KCSOFT_HIS;Data Source=CHEN';
ADOConnection2.Execute('SELECT * into [abc] FROM OpenDataSource( '
+QuotedStr('Microsoft.Jet.OLEDB.4.0')+','
+QuotedStr('Data Source="G:\mysmallexe\excel2sql";Extended Properties=dBase 5.0')+')...
[Abc]');
//MSSQL2access
ADOConnection2.ConnectionString:=
'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=G:\mysmallexe\excel2sql\Server.MDB;'
+'Persist Security Info=False;Jet OLEDB:Database Password=happynewyear';
ADOConnection2.Execute('select * into Abc from drug_yk IN [ODBC] [ODBC;Driver=SQL
Server;UID=sa;PWD=kcsoft58;Server=127.0.0.1;DataBase=kcsoft_his]');
//access2MSSQL
ADOConnection2.ConnectionString:='Provider=SQLOLEDB.1;Password=KCSOFT58;Persist Security
Info=True;User ID=SA;Initial Catalog=KCSOFT_HIS;Data Source=CHEN';
ADOConnection2.Execute('SELECT * into [abc] FROM OpenDataSource( '
+QuotedStr('Microsoft.Jet.OLEDB.4.0')+','
+QuotedStr('Data Source="G:\mysmallexe\excel2sql\Server.MDB";Jet OLEDB:Database
Password=happynewyear')+')...[Abc]');
//excel2access
ADOConnection2.ConnectionString:=
'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=G:\mysmallexe\excel2sql\Server.MDB;'
+'Persist Security Info=False;Jet OLEDB:Database Password=happynewyear';
ADOConnection2.Execute('SELECT * into [abc] FROM [excel
8.0;database=G:\mysmallexe\excel2sql\yp.xls].[abc$]');
//access2excel
ADOConnection2.ConnectionString:=
'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=G:\mysmallexe\excel2sql\yp.xls;'
+'Extended Properties=excel 8.0';
ADOConnection2.Execute('SELECT * into abc from
[G:\mysmallexe\excel2sql\Server.MDB;pwd=happynewyear].abc');
//MSSQL2txt
ADOConnection2.ConnectionString:=
'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=G:\mysmallexe\excel2sql;'
+'Extended Properties=text';
ADOConnection2.Execute('select * into Abc#txt from drug_yk IN [ODBC] [ODBC;Driver=SQL
Server;UID=sa;PWD=kcsoft58;Server=127.0.0.1;DataBase=kcsoft_his]');
//txt2MSSQL
ADOConnection2.ConnectionString:='Provider=SQLOLEDB.1;Password=KCSOFT58;Persist Security
Info=True;User ID=SA;Initial Catalog=KCSOFT_HIS;Data Source=CHEN';
ADOConnection2.Execute('SELECT * into [abc] FROM OpenDataSource( '
+QuotedStr('Microsoft.Jet.OLEDB.4.0')+','
+QuotedStr('Data Source="G:\mysmallexe\excel2sql";Extended Properties=text')+')...
[Abc#txt]');