Interview Questions

1. What are Fixed Database Roles?

db_datareader: The db_datareader role has the ability to run a SELECT statement against any table or view in the database.

db_datawriter: The db_datawriter role has the ability to modify via INSERT, UPDATE, or DELETE data in any table or view in the database.

db_denydatareader: The db_denydatareader role is the exact opposite of the db_datareader role: instead of granting SELECT permissions on any database object, the db_denydatareader denies SELECT permissions.

db_denydatawriter: db_denydatawriter role serves to restrict permissions on a given database. With this role, the user is preventing from modifying the data on any data via an INSERT, UPDATE, or DELETE statement

db_accessadmin: The db_accessadmin fixed database role is akin to the securityadmin fixed server role: it has the ability to add and remove users to the database. The db_accessadmin role does not, however, have the ability to create or remove database roles, nor does it have the ability to manage permissions. Granted with GRANT option: CONNECT
db_securityadmin: The db_securityadmin role has rights to handle all permissions within a database. The full list is: DENY, GRANT, REVOKE, sp_addapprole, sp_addgroup, sp_addrole, sp_addrolemember, sp_approlepassword,  sp_changegroup, sp_changeobjectowner, sp_dropapprole, sp_dropgroup, sp_droprole, sp_droprolemember. The list includes the DENY, GRANT, and REVOKE commands along with all the store procedures for managing roles.
db_ddladmin: A user with the db_ddladmin fixed database role has rights to issue Data Definition Language (DDL) statements in order to CREATE, DROP, or ALTER objects in the database.
db_backupoperator: db_backupoperator has rights to create backups of a database. Restore permissions are not granted, but only backups can be performed.
db_owner: Equal to a sysadmin at instance level, DB_OWNER can perform any task at DB Level.
public: By default all the users in database level are granted Public Role.

By Expert User 2 0
Is this helpful? Yes No

Submit an interview question

Submitted questions and answers are subject to review and editing, and may or may not be selected for posting, at the sole discretion of w3Sniff.

Get Started

Comments

Leave a Comment


Check out more interview questions

Based on your skills

MS SQL Server

97973 1720 4 860

Angular

2778 92 0 46

Wordpress

2155 72 0 36
AD Ad-Free