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SQLCMD uses windows authentication by default. According to the MSDN documentation, you can change it by adding a -U parameter to the command and then the user name.
The problem is with the password. Is there any way to access the sql server if the password is blank?
sqlcmd -U admin
password:
Whenever I try this and just press enter (indicating that the password is an empty string), I get a message saying that the login failed.
Any suggestions? thanks
This forum post http://social.msdn.microsoft.com/Forums/en-US/sqlsecurity/thread/15e4a7c0-6547-44e8-9e25-4f14c12570ca implies that sqlcmd does not support empty passwords. The workaround is to use osql.
However the documentation for sqlcmd here suggests you can use a blank password:
“If the -U option is used and the -P option is not used, and the SQLCMDPASSWORD environment variable has not been set, sqlcmd prompts the user for a password. If the -P option is used at the end of the command prompt without a password sqlcmd uses the default password (NULL).”
Hope one of those helps you!