1. Which data model organizes the data in the form of tables and relations?   Hierarchical Model   Network Model   Relational Model   Hint Half-n-half Clue   2. 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   foreign   reference   Half-n-half Clue   3. The domain in the relational model is said to be atomic if the elements of the domain consist of _______ units.   divisible   redundant   indivisible   distinct   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. In the hierarchical model the relationship between records is expressed as _______.   parent-child   unique key for each record   pointers or links   Half-n-half Clue   6. 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   Half-n-half Clue   7. In the Relational Model, the number of columns in a table is termed as _______.   cardinality   degree   domain   None of these   Half-n-half Clue