Which of the following database object does not physically exist?

Related MCQs

• Database __________ which is the logical design of the database, and the database _______ which is a snapshot of the data in the database at a given instant in time.
• Database __________ , which is the logical design of the database, and the database _______,which is a snapshot of the data in the database at a given instant in time.
• A            indicates an absent value that may exist but be unknown or that may not exist at all.
• Which schema object instructs Oracle to connect to a remotely access an object of a database?
• In an object-oriented model, one object can access data of another object by passing:
• Which of the following case does not exist in complexity theory
• ARIES supports                        operations, which are physical in that the affected page is physically identified, but can be logical within the page.
• Which one of the following provides the ability to query information from the database and to insert tuples into, delete tuples from, and modify tuples in the database?
• A                  is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.
• The database administrator who authorizes all the new users, modifies the database and takes grants privilege is