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The Users tab shows all the roles for the database with the following columns:
Name: The name of the user.
User Type: The user type as shown in SSMS under Instance> Databases> {Database Name}> Security> Users> {User}> General … User Type. Possible values are SQL User with Login, SQL User without Login, User mapped to a certificate, User mapped to an asymmetric key, and Windows User.
Login Name: The login name associated with the user. This value may be blank (or null, which should be displayed as a null values display as blank).
Has Access: A non-editable checkbox indicating true or false. This should match the list shown in IDERA SQL Secure under Instance> Databases> {Database Name}> Security> Users
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