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PART A (20 MARKS) 1. is a collection of programs to manage database structure and control access to the data. A. B. c. D. Database Database Security Data Control Language (DDL) Database Management System (DBMS) 2. doe Which of the following is the DISADVANTAGE of file system? A. Data independence Difficult file management Data consistency Structural independence 3. "The abnormalities occur when all changes on redundant data are not made correctly" The above statement best describes A. B. c. D. Data anomaly Data duplication Data redundancy Data inconsistency 4. In the data model, a parent can have many children, but each child may only have one parent. A. hierarchical B. network C. relational D. entity relationship 5. The A. B. C. D. represents a global view of the data. conceptual model internal model external model physical model