异构数据库之间的导入导出-数据库

//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]');