When setting permissions in the Enterprise Manager, check, cross, and nothing are selected. What is the difference in permission control?

Problem description:

Enterprise Management-> Login-> Name -> Attribute-> Database Access-> 〉Public-> Attributes-> Permission

Set an access control table

WhereWhat Does Tick mark mean?

What does a cross-account mean?

What do you mean by not playing anything?

 

A:

Check:Explicitly Grant

Cross:Explicit rejection

No:His permissions are determined by his role.

 

Example:

UserA,Yes roleAMember.RoleATablesTBOfSelectPermission

 

IfAGrant(Tick)TableTBOfSelectPermission,Then the userAThere must be a tableTBOfSelectPermission

IfAReject(Forks)TableTBOfSelectPermission,Then the userACertainly no tableTBOfSelectPermission(Although the roleAPermission,However, we have explicitly set the rejection.,ThereforeAThe role cannot be inherited.ATableTBOfSelectPermission)

 

If you do not select,The user is not authorized.APairTBOfSelectPermission,But the roleAYes,ThereforeASameTBYesSelectPermission.