Name two utilities that oracle provides, which are use for backup and recovery.
What is the easiest database to learn?
How many database systems are there?
Define b-trees.
What is data example?
What's the difference between 'union' and 'union all' ?
Is database a data structure?
What is mean by dbms?
What exactly is a database?
What do you understand by query optimization?
Define primary and unique key?
What do you understand by functional dependency?
What do you mean by cardinality and its types?
What is record in a database?
Can you explain fourth normal form and fifth normal form ?