1. Which of the following are the roles of the Database Administrator: a) Managing security issues b) Storage structure definition c) Develop application programs d) Take backups of the database   a   a,b,c   a,b,d   All of these   Hint Half-n-half Clue   2. Which language is used to permit or prohibit access to a table?   DCL   DDL   DML   All of these   Half-n-half Clue   3. The database oriented approach _______ the redundancy of data compared to the file oriented approach.   reduces   increases   4. The database oriented approach does not support multiple views of the same data.   True   False   5. Which language is used to define the integrity constraints?   DDL   DCL   DML   None of these   Half-n-half Clue   6. The security features of the database are set up by the _______.   Database Administrator   Naive Users   Application Programmer   Online Users   Half-n-half Clue   7. The relationship between data is defined in the _______.   logical level   physical level   view level   Half-n-half Clue