Bạn nào còn nhớ các bước connect SQL ko ?

Mình về nhà làm lại toàn báo lỗi ko .Bạn nào còn nhớ các bước thì giúp mình với .
Lỗi mình gặp phải khi connect =driver type 4.

Trích dẫn :

com.microsoft.sqlserver.jdbc.SQLServerException: Login failed for user ''. The user is not associated with a trusted SQL Server connection.
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(Unknown Source)
at com.microsoft.sqlserver.jdbc.TDSTokenHandler.onEOF(Unknown Source)
at com.microsoft.sqlserver.jdbc.TDSParser.parse(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.sendLogon(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.access$000(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection$LogonCommand.doExecute(Unknown Source)
at com.microsoft.sqlserver.jdbc.TDSCommand.execute(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(Unknown Source)
Error Trace in getConnection() : Login failed for user ''. The user is not associated with a trusted SQL Server connection.
Error: No active Connection
at com.microsoft.sqlserver.jdbc.SQLServerConnection.loginWithoutFailover(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:207)
at Connect.getConnection(Connect.java:31)
at Connect.displayDbProperties(Connect.java:48)
at Connect.main(Connect.java:142)
java.lang.NullPointerException
at Connect.displayDbProperties(Connect.java:67)
at Connect.main(Connect.java:142)

Cám ơn nhé .

ngồi cả buổi tói vẫn đếc đc
com.microsoft.sqlserver.jdbc.SQLServerException
8-}
ảo database