1. In the Relational Model, each _______ contains values for the _______.   attribute, tuples   entity, domains   relation, entities   tuple, attributes   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. Which company has developed the hierarchical model?   Oracle   IBM   Sun Microsystems   Microsoft   Half-n-half Clue   4. DBTG Codasyl is an example of _______ database.   object - oriented   relational   network   hierarchical   Half-n-half Clue   5. Which structure is the hierarchical model based on?   Tree   Graph   Linked List   None of these   Half-n-half Clue   6. In the Relational Model, the number of rows in a table is termed as _______.   cardinality   degree   domain   None of these   Half-n-half Clue   7. In Relational Model, rows are referred to as _______ and columns are referred to as _______.   attributes, tuples   tuples, attributes   connectors, nodes   nodes, connectors   Half-n-half Clue