[{"id":17769,"question":"In hybrid distribution which kind of fragments are stored at only one site?","choices":[{"text":"Critical fragments","value":"A"},{"text":"Non-critical fragments","value":"B"},{"text":"Critical and non-critical fragments","value":"C"},{"text":"Only large fragments","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":17762,"question":"In ERD model the relationship between two entities is represented by a","choices":[{"text":"Diamond symbol","value":"A"},{"text":"Rectangular box","value":"B"},{"text":"Oval symbol","value":"C"},{"text":"Line","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":17759,"question":"Database development process involves mapping of conceptual data model into:","choices":[{"text":"Object oriented data model","value":"A"},{"text":"Network data model","value":"B"},{"text":"Implementation model","value":"C"},{"text":"Hierarchical data model","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":17758,"question":"An entity related to itself in an ERD model refers to","choices":[{"text":"Recursive relationship","value":"A"},{"text":"One-to-many relationship","value":"B"},{"text":"Many-to-many relationship","value":"C"},{"text":"One-to-one relationship","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":17757,"question":"Which of the following keys does not hold uniqueness property?","choices":[{"text":"Candidate key","value":"A"},{"text":"Foreign key","value":"B"},{"text":"Primary key","value":"C"},{"text":"Secondary key","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":17756,"question":"From database data is accessed through","choices":[{"text":"Queries","value":"A"},{"text":"Function","value":"B"},{"text":"Reports","value":"C"},{"text":"Information","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":17755,"question":"DBMS must be able to accept","choices":[{"text":"Data definitions","value":"A"},{"text":"Programs","value":"B"},{"text":"Data records","value":"C"},{"text":"Information","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":17754,"question":"Which of the following package is used by the application programmer in order to write a program?","choices":[{"text":"Low Level Language","value":"A"},{"text":"High Level Language","value":"B"},{"text":"Machine Language","value":"C"},{"text":"Assembly Language","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":17753,"question":"Data exists in a data base in the form of","choices":[{"text":"Tables","value":"A"},{"text":"Queries","value":"B"},{"text":"reports","value":"C"},{"text":"Files","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":17752,"question":"The output of a query is the form of","choices":[{"text":"Table","value":"A"},{"text":"Reports","value":"B"},{"text":"Files","value":"C"},{"text":"Forms","value":"D"},{"value":"E"}],"correctAnswer":1}]