Set - 7

Question 86 :

What is Hash Cluster ?

Answer :

A row is stored in a hash cluster based on the result of applying a hash function to the row's cluster key value. All rows with the same hash key value are stores together on disk.


Question 87 :

What is a Private Synonyms ?

Answer :

A Private Synonyms can be accessed only by the owner.


Question 88 :

What is Database Link ?

Answer :

A database link is a named object that describes a "path" from one database to another.


Question 89 :

What is index cluster?

Answer :

A cluster with an index on the cluster key.


Question 90 :

What is hash cluster?

Answer :

A row is stored in a hash cluster based on the result of applying a hash function to the row's cluster key value. All rows with the same hash key value are stores together on disk.