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What is DBMS?
A database management system (or DBMS) is essentially nothing more than a computerized data-keeping system. Users of the system are given facilities to perform several kinds of operations on such a system for either manipulation of the data in the database or the management of the database structureRead more
A database management system (or DBMS) is essentially nothing more than a computerized data-keeping system. Users of the system are given facilities to perform several kinds of operations on such a system for either manipulation of the data in the database or the management of the database structure itself.
See lessWhat are the different types of DBMS available?
The types of DBMS based on data model are as follows − Relational database. Object oriented database. Hierarchical database. Network database.
The types of DBMS based on data model are as follows −
Relational database.
Object oriented database.
Hierarchical database.
Network database.
See lessWhat is functional testing?
FUNCTIONAL TESTING is a type of software testing that validates the software system against the functional requirements/specifications. The purpose of Functional tests is to test each function of the software application, by providing appropriate input, verifying the output against the Functional reRead more
FUNCTIONAL TESTING is a type of software testing that validates the software system against the functional requirements/specifications. The purpose of Functional tests is to test each function of the software application, by providing appropriate input, verifying the output against the Functional requirements.
Reference docs: https://www.guru99.com/functional-testing.html
See lessWhat is unit testing?
UNIT TESTING is a type of software testing where individual units or components of a software are tested. The purpose is to validate that each unit of the software code performs as expected. Unit Testing is done during the development (coding phase) of an application by the developers. RefereRead more
UNIT TESTING is a type of software testing where individual units or components of a software are tested. The purpose is to validate that each unit of the software code performs as expected. Unit Testing is done during the development (coding phase) of an application by the developers.
References docs: https://www.guru99.com/unit-testing-guide.html
See lessWhat is quality assurance?
What is Quality? Quality is extremely hard to define, and it is simply stated: “Fit for use or purpose.” It is all about meeting the needs and expectations of customers with respect to functionality, design, reliability, durability, & price of the product. What is Assurance? Assurance is nothingRead more
What is Quality?
Quality is extremely hard to define, and it is simply stated: “Fit for use or purpose.” It is all about meeting the needs and expectations of customers with respect to functionality, design, reliability, durability, & price of the product.
What is Assurance?
Assurance is nothing but a positive declaration on a product or service, which gives confidence. It is certainty of a product or a service, which it will work well. It provides a guarantee that the product will work without any problems as per the expectations or requirements.
Quality Assurance in Software Testing
Quality Assurance in Software Testing is defined as a procedure to ensure the quality of software products or services provided to the customers by an organization. Quality assurance focuses on improving the software development process and making it efficient and effective as per the quality standards defined for software products. Quality Assurance is popularly known as QA Testing.
Data Warehouse & Data Mart difference?
Data Warehouse: A data warehouse is constructed by integrating data from multiple heterogeneous sources that support analytical reporting, structured and/or ad hoc queries, and decision making. Data Mart: A Data Mart is a condensed version of Data Warehouse and is designed for use by a specific depaRead more
Data Warehouse:
A data warehouse is constructed by integrating data from multiple heterogeneous sources that support analytical reporting, structured and/or ad hoc queries, and decision making.
Data Mart:
See lessA Data Mart is a condensed version of Data Warehouse and is designed for use by a specific department, unit or set of users in an organization
What is the difference between ETL and Pentaho ?
ETL - refers to Extract Transform & Load. It is a three stage process. Stage-1 (Extract): The staging layer stores raw data extracted from each of the disparate sources. Stage-2(Transform): The integration layer integrates the disparate data sets by transforming the data from the staging layer SRead more
ETL – refers to Extract Transform & Load. It is a three stage process.
Stage-1 (Extract): The staging layer stores raw data extracted from each of the disparate sources.
Stage-2(Transform): The integration layer integrates the disparate data sets by transforming the data from the staging layer
Stage-3 (Load): Storing the transformed data in a database (often referred as Data Warehouse)
Pentaho is a ETL tool developed by Hitachi Vantara.
In short, ETL is a process and Pentaho is a tool used in ETL process.
See less