SQL Server 2014 has the functionality to provide various kinds of permission levels that are necessary for the database security. Server for public will have  access on server databases that are authenticated by the Main Security server  Administrator.
 
 Administrator has the responsibility to manage large number of database users  in a way to assign more specific permissions to users/developers while creating  a SQL Server Login for them. Server Roles cannot be deleted or modify. 
 SQl Server 2014 Permissions Roles as follows: Database roles are seen below under  any database that is created with permissions on it.
 
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Server Lever Permission Types: The following is the description of Permissions available  with server roles as following given:
  When you clicked on 
New Database Role, A wizard will get open: Fill 
Role Name,  then select 
Owner by clicking on '
…' tab, 
 Now select 
Object Type by Browse option, select 
Machine Objects available in it,  I selected Public, click on 
Ok
![1]() 
 After that you need to select Role Members under Members of this Role: for  this click on Add option, then Browse , Select Guest or Public. I selected  Guest.
 ![Role]()
Now click on 2nd option 
Securables and select the 
Securables by clicking on  Search option to 
Add objects and specify it. I selected 
All objects as the types...  as in the following, 
![2]()
 After clicking on 
OK option, a window will open, now select the 
Objects  Types like Table, Queues, Database Roles, Schemas, Users etc. and complete  selection. 
![3]() 
  Now click on 
Ok button.
 Fill the 
Explicit Permission: By Ticking Grant, Deny.  
 ![4]()
Click on 
OK to get Success Report and a new role will be created.
 GRANT is used for allowing permission on database objects changes like 
Update,
 Select, Insert etc. 
DENY permission denies the database from any modifications.