Lesson Notes By Weeks and Term - Senior Secondary 3
Parallel and distributed database III
Parallel and distributed database III
Term: 2nd Term
Week: 5
Class: Senior Secondary School 3
Age: 17 years
Duration: 40 minutes of 2 periods each
Date:
Subject: Data Processing
Topic:- Parallel and distributed database III
SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to
INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source
INSTRUCTIONAL MATERIALS: Videos, loud speaker, pictures, Data Processing for senior Secondary Education by Hiit Plc, WAPB Computer Studies for Senior Secondary I by Adekunle et al, On-line Materials.
INSTRUCTIONAL PROCEDURES
PERIOD 1-2
|
PRESENTATION |
TEACHER’S ACTIVITY |
STUDENT’S ACTIVITY |
|
STEP 1 INTRODUCTION |
The teacher reviews the previous lesson on distributed database |
Students pay attention |
|
STEP 2 EXPLANATION |
He lists the types of distributed database
|
Students pay attention and participates |
|
STEP 3 DEMONSTRATION |
He then explains each types of distributed database |
Students pay attention and participate |
|
STEP 4 NOTE TAKING |
The teacher writes a summarized note on the board |
The students copy the note in their books |
NOTE
Types of Distributed Databases
Distributed databases can be broadly classified into homogeneous and heterogeneous distributed database
In a homogeneous distributed database, all the sites use identical DBMS and operating systems.
In a heterogeneous distributed database, different sites have different operating systems, DBMS products and data models.
Architectural Models
Some of the common architectural models are −
Client – Server Architecture for DDBMS
Peer – to – Peer Architecture for DDBMS
Middleware (distributed applications)
EVALUATION: 1. List and explain the types of distributed database
CLASSWORK: As in evaluation
CONCLUSION: The teacher commends the students positively