# [Permissions](getting-started-with-database-engine-permissions.md)  
## [Determine effective permissions](determining-effective-database-engine-permissions.md)  
# [Principals](principals-database-engine.md)  
# [Manage Logins, Users, and Schemas](managing-logins-users-and-schemas-how-to-topics.md)  
## [Create a Login](create-a-login.md)  
## [Create a Database User](create-a-database-user.md)  
## [Create a Database Schema](create-a-database-schema.md)  
## [Join a Role](join-a-role.md)  
## [Grant a Permission to a Principal](grant-a-permission-to-a-principal.md)  
# [Server-Level Roles](server-level-roles.md)  
## [Create](create-a-server-role.md)  
# [Database-Level Roles](database-level-roles.md)  
# [Application Roles](application-roles.md)  
## [Create an Application Role](create-an-application-role.md)  
# [Credentials](credentials-database-engine.md)  
## [Create](create-a-credential.md)