A top-to-bottom relationship among the items in a database is established by a

Related MCQs

• A top-to-bottom relationship among the items in a database is established by a
• 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.
• Entity Relationship model consists of collection of basic objects called _________ and relationship among these objects.
• 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.
• 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?
• The database administrator who authorizes all the new users, modifies the database and takes grants privilege is
• A                  is a logical grouping of database objects, usually to facilitate security, performance, or the availability of database objects such as tables and indexes.
• If the state of the database no longer reflects a real state of the world that the database is supposed to capture, then such a state is called
• In                                  of Oracle, the database administrator creates a user account in the database for each user who needs access.