SQL Server T-SQL写文本文件
原文：http://www.nigelrivett.net/SQLTsql/WriteTextFile.html
The are several methods of creating text files from sql server.
- osql
- bcp
- redirection commands
- sp_MakeWebTask
- Com object calls
Remember that in all cases the path of the output file will be relative to the server - not to the client on which the application is running.
osql.
This example will just output master..sysobjects to the file c:\osqloutput.txt.
declare @cmd varchar(1000) select @cmd = ‘osql -U -P -S -Q"select * from master..sysobjects" -o"c:\osqloutput.txt" -w500‘ exec master..xp_cmdshell @cmd
bcp
bcp very fast and easy to use for just dumping a table out - can be used against a view too.
master..xp_cmdshell ‘bcp master..sysobjects out c:\file.bcp -S -U -P -c ‘
redirection commands
You will need to create the data to be output as in dynamic sql statements
The first command here creates or overwrites the file - the rest append to the file.
exec master..xp_cmdshell ‘echo hello > c:\file.txt‘ exec master..xp_cmdshell ‘echo appended data >> c:\file.txt‘ exec master..xp_cmdshell ‘echo more data >> c:\file.txt‘
will generate a file containing
hello
appended data
more data
sp_MakeWebTask
This is for creating html code from a query
Com object calls
Using sp_oa... system stored procedures and creating com objects or existing applications you can probably do whatevr you wish - but you should probably ask whether sql server is the right place to control this.
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