Detailed explanation of RAD model can be read here. RAD Traditional SDLC 1. Stages are not well defined. Structured Methodology and well-defined stages. 2. Diff
The Rapid Application Development Model was first proposed by IBM in 1980’s. The critical feature of this model is the use of powerful development tools and t
A software project manager is the most important person inside a team who takes the overall responsibilities to manage the software projects and play an importa
Prerequisite – Jelinski Moranda software reliability model The Schick-Wolverton (S-W) model is a modification to the J-M model. It is similar to the J-M model
The Jelinski-Moranda (J-M) model is one of the earliest software reliability models. Many existing software reliability models are variants or extensions of thi
Pham Nordmann Zhang (PNZ) model is used to evaluate reliability prediction of a component-based system or a software and fault tolerance structures techniques.P
Database application development is basically the process of obtaining following things. Real-world requirements Analyzing the real-world requirements To design
Related Article: Writing a good SRS for your project Following are the characteristics of a good SRS document: Correctness: User review is used to ensure the co
Software testing is a process of executing a program with the aim of finding the error. To make our software perform well it should be error free. If testing is
Classical Waterfall Model: The Classical Waterfall model can be considered as the basic model and all other life cycle models are based on this model. It is an
Background A Database Management System (DBMS) stores data in the form of tables, uses ER model and the goal is ACID properties. For example a DBMS of college h
A data-warehouse is a heterogeneous collection of different data sources organised under a unified schema. There are 2 approaches for constructing data-warehous
Prerequisite – Data Warehousing Data warehouse can be controlled when the user has a shared way of explaining the trends that are introduced as specific subje
Prerequisite – DBMS | File Organization – Set 1, File Organization-Set 2 B+ Tree File Organization – B+ Tree, as the name suggests, It uses a tree like st
In general terms, “Mining” is the process of extraction of some valuable material from the earth e.g. coal mining, diamond mining etc. In the context of com
Prerequisites – Data Warehousing, Data Warehouse Architecture, Characteristics and Functions of Data warehouse Here are some of the difficulties of Implementi
Data Mining – Knowledge Discovery in Databases(KDD). Why we need Data Mining? Volume of information is increasing everyday that we can handle from business tr
Datawarehouse and Data Mart, both are storage components of HDFS. Data mart is such a storage component which is concerned on a specific department of an organi
In this post, we will discuss what are different sources of data that are used in data mining process. The data from multiple sources are integrated into a comm
Prerequisite – Introduction to Hadoop, Apache Hive The major components of Hive and its interaction with the Hadoop is demonstrated in the figure below and al
With the phenomenal growth in digital data, particularly generated from multi-media and other enterprise application the need for high-performance storage solut
The ODBMS which is an abbreviation for object oriented database management system, is the data model in which data is stored in form of objects, which are insta
Prerequisites – Introduction to Hadoop, Computing Platforms and Technologies Apache Hive is a data warehouse and an ETL tool which provides an SQL-like interf
Prerequisites – Introduction to Hadoop, Apache HBase HBase architecture has 3 main components: HMaster, Region Server, Zookeeper. Figure – Architecture of H
Prerequisite – Introduction to Hadoop HBase is a data model that is similar to Google’s big table. It is an open source, distributed database developed by A