1. The candidate keys that are not selected as the Primary key are known as _______.   alternate keys   secondary key   super key   foreign key   Hint Half-n-half Clue   2. In the Relational Model, the number of columns in a table is termed as _______.   cardinality   degree   domain   None of these   Half-n-half Clue   3. In Relational Model, rows are referred to as _______ and columns are referred to as _______.   attributes, tuples   nodes, connectors   connectors, nodes   tuples, attributes   Half-n-half Clue   4. Which data model organizes the data in the form of tables and relations?   Network Model   Relational Model   Hierarchical Model   Half-n-half Clue   5. The domain in the relational model is said to be atomic if the elements of the domain consist of _______ units.   indivisible   divisible   redundant   distinct   Half-n-half Clue   6. In the Relational Model, each _______ contains values for the _______.   attribute, tuples   relation, entities   tuple, attributes   entity, domains   Half-n-half Clue   7. As compared to the Relational & Network Model, searching for data is very easy in Hierarchical Model.   True   False