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I am pretty much new to bcp but I researched quite a bit and can not find any resource that says where we are actually sending the user name and password to the database with this command. So everyone can access the database?
bcp AdventureWorks2008.HumanResources.Employee out C:\Data\EmployeeData.dat -T
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The bulk copy program utility (bcp) bulk copies data between an instance of Microsoft SQL Server and a data file in a user-specified format. The bcp utility can be used to import large numbers of new rows into SQL Server tables or to export data out of tables into data files.
When you copy in to a table using bcp —particularly when you copy in to a table using parallel bcp —the copy process acquires the following locks: An exclusive intent lock on the table.
The bcp utility is available with the Microsoft ODBC Driver for SQL Server on Linux and macOS.
bcp AdventureWorks2008.HumanResources.Employee out C:\Data\EmployeeData.dat -T -c -U<login_id> -P<password> -S<server_name\instance_name>
You aren't sending the username and password with the -T argument. In fact, it won't send any specified username and password to SQL Server if -T is present in the command line.
-T tells BCP to use Windows Authentication to connect to SQL Server. It will operate as the user who's running the command.
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