SA account is default administrator for SQL Server. No
matter Transaction-SQL or Commands, they provide ways to take operations on
SA account and its password. And in this passage, we mainly pay attention to
how to verify, change, clear SA password with Transaction and commands.
1-1 Verify SA account and its password:
1. Transaction-SQL for SA password
1-1 Verify SA account and its password:
Select * from my usertable where text=’sa’ and password
=Password
1-2 Change SA password:
Exec_password ‘old_password’, ‘new_password’, ‘sa’
1-3 Clear SA password:
Exec_password NULL, ‘sa’
This way asks for SQL Server logon, no matter using Windows
Authentication mode or SQL Server Authentication mode. But generally, when we
remember SA password to login into SQL Server, we would not like to do these.
And if you try to access SQL Server with Windows Authentication mode, but
failed, turn to this article to find reasons and solutions if necessary:
Why cannot login into SQL Server with Windows Authentication
Why cannot login into SQL Server with Windows Authentication
2. Commands to change/reset SA password:
Osql –E
EXEC sp_password NULL, yourpassword, sa
Go
For more ways to change SA password, turn to article Four Effective Ways to Change SQL Server SA Password.
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