/*
測試檔案內容:
e:/module/test.xls
job_desc job_id max_lvl min_lvl
記錄一 1.0 11.0 11.0
記錄二 2.0 22.0 22.0
記錄三 3.0 33.0 33.0
記錄四 4.0 44.0 44.0
e:/module/temp.mdb檔案jobs 表
job_desc job_id max_lvl min_lvl
記錄一 1 11 11
記錄二 2 22 22
記錄三 3 33 33
記錄四 4 44 44
e:/module/test.csv
fname lname salary tax
smith william 1000 275
scott tiger 2000 275
john jumangi 2500 345
sam rooban 3524 600
peter norton 1234 320
kathy lee 8300 1200
e:/module/test.txt
fname lname salary tax
smith william 1000 275
scott tiger 2000 275
john jumangi 2500 345
sam rooban 3524 600
peter norton 1234 320
e:/module/union1.txt
fname lname salary tax
smith william 1000 275
scott tiger 2000 275
john jumangi 2500 345
sam rooban 3524 600
peter norton 1234 320
e:/module/union1.csv
fname lname salary tax
smith nana 1000 275
scott jany 2000 275
john leilei 2500 345
sam rooban 3524 600
peter norton 1234 320
*/--read excel sheet using opendatasource
--使用opendatasource讀取excel**
select *
from opendatasource( 'microsoft.jet.oledb.4.0','data source="e:/module/test.xls";
user id=admin;password=;extended properties=excel 5.0')...sheet1$
--read excel sheet using openrowset
--使用openrowset讀取excel**
select * from openrowset('microsoft.jet.oledb.4.0','excel 5.0;database=e:/module/test.xls', 'select * from [sheet1$]')
--read sql server table using opendatasource
--使用opendatasource 跨伺服器查詢
--經測試，data source 只接受機器名。而不接受ip位址
select * from opendatasource('sqloledb','data source=accp;user id=sa;password=').pubs.dbo.jobs
--read sql server table using openrowset
--使用openrowset 跨伺服器查詢
select * from openrowset('msdasql','driver=;server=accp;uid=sa;pwd=',pubs.dbo.jobs)
--read ms-access table using opendatasource
select * from opendatasource('microsoft.jet.oledb.4.0','data source="e:/module/temp.mdb";user id=admin;password=')...jobs
--read ms-access table using openrowset
select * from openrowset('microsoft.jet.oledb.4.0','e:/module/temp.mdb';'admin';'', jobs)
--查詢csv檔案
--read csv using openrowset
select * from openrowset('msdasql', 'driver=;
defaultdir=e:/module','select top 6 * from test.csv')
--read text using openrowset
--將上面用到的csv檔案拷乙份重新命名為test.txt即可
select * from openrowset('msdasql', 'driver=;
defaultdir=e:/module','select top 5 * from
test.txt')
--聯合csv和txt 檔案的查詢
select * from openrowset('msdasql','driver=;defaultdir=e:/module;',
'select top 5 * from union1.txt')
union
select * from openrowset('msdasql','driver=;defaultdir=e:/module;',
'select top 5 * from union1.csv')
--not found list
--過濾查詢
select * from openrowset('msdasql', 'driver=;
defaultdir=e:/module;','select top 5 * from union1.txt')
where lname not in
(select lname from openrowset('msdasql', 'driver=;
defaultdir=e:/module;','select top 5 * from
union1.csv') )
--建立檢視查詢.txt文字檔案內容
create view [mytext] as
select * from openrowset('msdasql', 'driver=;
defaultdir=e:module;','select top 5 * from
test.txt')go
select * from [mytext] go
select * from [mytext] where fname like 's%' go
--建立檢視查詢.xls檔案內容
create view [myexcel] as
select *
from opendatasource( 'microsoft.jet.oledb.4.0',
'data source="e:module/test.xls";
user id=admin;password=;extended properties=excel 8.0')...sheet1$ go
select * from [myexcel] where job_desc like '%三%'
//hdr有2個值
//hdr=no無字段列
//hdr=yes第一行作為欄位列
//imex有3個值:
//0:此excel只可讀取
//1:此excel只可寫入
//2:此excel同時支援讀取及寫入。
system.data.oledb.oledbcommand command = new oledbcommand();
command.connection = connection;
command.connection.open();
command.commandtext = sql;
console.writeline (sql);
trycatch (exception ex)}
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