Question :
(a) Database Management Systems (DBMS) is the foundation of business intelligence. Explain the following concepts related to DBMS:
(i) Entity Relationship Diagram
(ii) Normalization
(iii) Structured Query Language
(iv) Data Mining
(b) Explain TWO disadvantages of a DBMS.
(c) With reference to a high-tech organization, describe with examples, FOUR different types of Knowledge Management Systems (KMS) that are used to share knowledge among employees?