An Introduction to
Professional and Technical
Communication in the Workplace
Lecture 5: Interpersonal
What is COMMUNICATION?
Communications: is the transfer of information from a speaker
(transmitter) to a listener (receiver)
The objective of the communication is to
ensure the process of transferring information
A process by which information is exchanged between individuals through a
common system of symbols, signs, or behavior
The act of communicating; transmission.
The exchange of thoughts, messages, or inform
How to use EntityRelationship (ER) modeling in database design.
Basic concepts associated with ER model.
Diagrammatic technique for displaying ER model using Unified
Modelling Language (UML).
How to build an ER m
Mapping Rules from ERD to a
relational database schema
A conceptual data model is
converted to a logical data
Tables are created which
cater for the details of the
entities as well as their
Purpose of normalization.
Problems associated with redundant data.
Identification of various types of update anomalies such as insertion,
deletion, and modification anomalies.
How to recognize appropriateness or quali
Introduction to DBMS
Purpose of Database Systems
View of Data
Data Definition Language
Data Manipulation Language
Overall System Structu
JONAN KIIZA B.A MASS
Formal Communication Channels:
Upward, Downward, Horizontal, and External
An organizations structure influences the
communication patterns within
CHAPTER 2 - OBJECTIVES
Purpose of three-level database architecture.
Contents of external, conceptual, and internal levels.
Purpose of external/conceptual and
Meaning of logical and physical d
DEVELOPMENT LIFE CYCLE
Main components of an information system.
Main stages of database application
Main phases of database design:
conceptual, logical, and physical design.
How to evaluate and select a DBMS.