SQL stands for Structured Query Language. SQL is used to store, query, modify, manipulate and retrieve data stored in a relational database. Usually pronounced as “ess-que-ell”. According to ANSI (American National Standards Institute), it is the language for relational database management systems. All relational database systems (RDBMS) accept the use of SQL (MS Access, MySQL, …
In this blog, we will learn most asked interview questions and answers as regards to Microsoft Power BI. What is Power BI Power BI is an analytical tool for visualizing data by creating reports, dashboards, charts, graphs, data modelling and so on to enable user interpretation of data. Data can be imported into and exported …
In a data centered world, we find a lot of job opportunities as a Data Scientist or Data Engineer for most data-driven organizations. Both career paths are data-driven, analytical and problem solvers. Data scientist, data engineer, data analyst and business analysts are part of data analytics team and compliment each other based on their job …
SQL has become a powerful tool for data analysis and manipulation of data. The EOMONTH() function returns the last day of the month of a specified date. EOMONTH() can be used as a worksheet function (WS) in Excel. However, to get the last day of previous month in SQL can be achieved with the following SQL …
What is AI Artificial Intelligence(AI) is a branch of computer science that deals with simulation of human intelligence by machines processes and computational rationality. The top 8 applications of Artificial Intelligence in Healthcare are as follow: AI Robot-Assisted Surgery Artificial Intelligence influence in improving health outcomes has proffered solution by implementing Robotic -Assisted Surgery by …
Technical track career in Data Science such as Data Architect require years of experience and training coupled with knowledge of broad range of tools. The top 10 skills for Data Architects are as follows: Business Skill Data Architects should have vast knowledge of the industry, trends and competition so they can solve issues efficiently. Ability …
What is Performance tuning Performance tuning in SQL is the practice of ensuring SQL queries run as fast as possible. SQL Performance tuning can be difficult, especially when working with large amount of data. SQL performance tuning is handled by Database Administrators (DBA’s) in large corporations. However, to improve the speed of data retrieval with …
Python is a multi-purpose programming language, meaning it can be used to develop several applications like data analysis, desktop and web development, machine learning and statistical analysis. Python is an open source language used in a wide range for data analysis and easily available. Why Python Programming is popular for Data Science Python is popular …
The difference between Artificial Intelligence, Machine Learning and Deep Learning
By admin
on Monday, May 27, 2019
Artificial intelligence, machine learning and deep learning have so many published definitions. As buzzwords, their involvement in human activities is inevitable and has continued to raise concerns about its super benefits to man and society vs taking over human jobs. By the end of this post you will understand better the definition, relationship concepts, and …
A Data Analyst is an individual who pull data from various sources, analyze, manipulate and use visualization tools to present data to help organizations make better business decisions. Etiquette of a data analyst are data mining expectations of an analyst towards big data. 1.Plan for a messy data Data usually are available in large amounts …