Computer
Distributed Deadlock Management
Prime objective of this lecture is to explain on Distributed Deadlock Management. In a database environment, a deadlock is a situation when transactions are endlessly waiting for…
Lecture
Computer
Transparencies in DDBMS
Basic objective of this lecture is to describe on Transparencies in DDBMS. Transparency refers to the separation of the high-level semantics of a system from lower-level…
Computer
Lecture on Database System Architectures
Principle purpose of this lecture is to explain on Database System Architectures. Here briefly discuss on Centralized Systems, Client–Server Systems, Transaction Server System and Data-server systems. Centralized database systems are those…
Computer
FD and Normalization
General objective of this lecture is to present on FD (Functional Dependency) and Normalization. Here explain how to control the redundancy of data and how to preserve the…
Computer
Indexing and Hashing
Main objective of this lecture is to describe on Indexing and Hashing. An index for a file in a database system works in much the same…
Computer
Network Security
Principle purpose of this lecture is to explain on Network Security. Here briefly explain on introduction to Cryptography, Substitution Ciphers, Transposition Ciphers, One-Time Pads and Two Fundamental Cryptographic Principles. This…
Computer
The Application Layer
Main objective of this lecture is to explain on the Application Layer. General portion of Application Layer is DNS –Domain Name System; here focus on the DNS…
Computer
The Transport Layer
Prime purpose of this lecture is to describe on the Transport Layer. Here major focus on to explain Services Provided to the Upper Layers, Transport Service Primitives…
Computer
Network Layer
Major purpose of this lecture is to present Network Layer Design Issues. These Design Issues are: Store-and-Forward Packet Switching, Services Provided to the Transport Layer, Implementation of Connection-Oriented Service…
Computer
The Medium Access Control Sublayer
Basic purpose of this lecture is to present Medium Access Control Sublayer. Here major focus on the Channel Allocation Problem: Static Channel Allocation in LANs and MANs…
Computer
The Data Link Layer
General objective of this lecture is to present Data Link Layer Design Issues; here major focus on Services Provided to the Network Layer, Framing, Error Control and Flow Control.…
Computer
The Physical Layer
This lecture briefly present on the Physical Layer. Here focus on the Theoretical Basis for Data Communication: Fourier Analysis, Bandwidth-Limited Signals and Maximum Data Rate of a…
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