1. For a database to be considered as full-fledged RDBMS, it has to comply with at least _______ out of the 12 Codd's rules.   1   6   9   10   Hint Half-n-half Clue   2. What is the set of attributes that collectively identify an entity in an entity set known as?   Super Key   Foreign Key   Unique Key   None of these   Half-n-half Clue   3. DBTG Codasyl is an example of _______ database.   hierarchical   relational   object - oriented   network   Half-n-half Clue   4. In the Relational Model, the number of rows in a table is termed as _______.   cardinality   degree   domain   None of these   Half-n-half Clue   5. If a column or a set of columns of Table A correspond to a primary key of another Table B, then these set of columns in Table A are known as a _______ key.   primary   reference   foreign   Half-n-half Clue   6. In Relational Model, rows are referred to as _______ and columns are referred to as _______.   tuples, attributes   nodes, connectors   connectors, nodes   attributes, tuples   Half-n-half Clue   7. As compared to the Relational & Network Model, searching for data is very easy in Hierarchical Model.   True   False