1. As compared to the Relational & Network Model, searching for data is very easy in Hierarchical Model.   True   False   2. Which data model organizes the data in the form of tables and relations?   Network Model   Relational Model   Hierarchical Model   Hint Half-n-half Clue   3. SYSTEM2000 is an example of _______ database.   hierarchical   object - oriented   network   relational   Half-n-half Clue   4. Which of the following are true with respect to Network model? a) Implementing relationship between records is very complex b) It is very useful in representing many-to-many relationships c) Searching for a particular record is very easy   a,b   b,c   a,c   a,b,c   Half-n-half Clue   5. What is the minimum subset of the super key that can be used to uniquely identify an entity in an entity set known as?   Candidate Key   Foreign Key   Unique Key   None of these   Half-n-half Clue   6. In the hierarchical model the relationship between records is expressed as _______.   pointers or links   unique key for each record   parent-child   Half-n-half Clue   7. DBTG Codasyl is an example of _______ database.   relational   hierarchical   network   object - oriented   Half-n-half Clue