What Is Cascading Invalidation?

1.	What Is Cascading Invalidation?
Answer» Suppose object A REFERENCES object B, which in turn references object C, then A is an indirect dependent of object C. If object C is changed, then object B is invalidated; and therefore, INVALIDATES object A as well. This is called cascading invalidation. Suppose object A references object B, which in turn references object C, then A is an indirect dependent of object C. If object C is changed, then object B is invalidated; and therefore, invalidates object A as well. This is called cascading invalidation.

Answer»

Suppose object A REFERENCES object B, which in turn references object C, then A is an indirect dependent of object C. If object C is changed, then object B is invalidated; and therefore, INVALIDATES object A as well. This is called cascading invalidation.

Suppose object A references object B, which in turn references object C, then A is an indirect dependent of object C. If object C is changed, then object B is invalidated; and therefore, invalidates object A as well. This is called cascading invalidation.

Discussion

No Comment Found

Related InterviewSolutions

Do Stored Procedures And Functions Within The Same Schema Share The Same Namespace?
Give A Sql Statement So That The Procedure Proc_1 In The Package Pack_sample Is Granted Access To All The Users In The Database ?
Give A Sql Statement To Grant Access On The Procedure Proc_sample In The Schema, Schema_a.
Is It Possible To Create A Package Body And Store It In A Database?
Give The Sql Statement To Drop The Package Specification For Pack_a Without Dropping The Package Body ?
Suppose A Procedure Proc_1 Refers To A Procedure Proc_2 Within The Pack_1 Package. If The Definition Of The Proc_2 Procedure Is Changed And It Is Recompiled Again, Then Does The Proc_1 Procedure Is Invalidated ?
Explain The Grant And Revoke Dcl Statements ?
Which Data Dictionary View Will Give The Owner Name Along With The Privileges On A Schema Object?
Which Column In The User_sys_privs View Determines Whether The System Privilege Is With Admin Option ?
Write A Pl/sql Statement To Show The Privileges On A Procedure Proc_1 Within The Schema A ?