What will technology envisage in the next decade? Interestingly we can say in this new age of technology, innovations continue to emerge to better our environment, how we work and automate processes and so on. Here are 15 technologies of the next decade: 1. AI A computer system able to perform tasks that normally require …
Year 2020 is about to end but so many technological advancements occurred this year. Self-driving electric cars and so many out there. In a future with changing capabilities and innovations, join me to know the predominant technologies by 2050. What will technology envisage in year 2050? Interestingly we can say Space Travel – The goal …
This video covers the most recent exam syllabus. Maybe you had googled the above title, but no worries you have arrived on the best video that will guide you through this journey. These Data is a rare commodity and ability to manage it is much needed with an increased need for Data Engineers by companies …
Data Science can be simplified in definition as a broad term for methodologies of collecting, processing, visualizing data and making use of information for various purposes. It is Multi-disciplinary and cover a wide range of interest areas. Also known as a uniform concept of statistics, data analysis, machine learning and other methods to analyze, understand …
Humans learn from past experiences, while Machines follow instructions. So, humans train machines to learn from past data and that’s what Machine Learning is all about. Machine learning is a subset of Artificial Intelligence. Machine learning enhance machines with the ability to learn autonomously based on observation and analysis within a given data set without specific …
1. Why do you want to be a Data Analyst? Answer: You should list why you love data, research what the company do with data, explain how you can create insights from data. 2. Where do you see yourself in 5years? Answer: Your answer should be how you can use your acquired experience to influence …
What is a Join in SQL? Inner join returns rows when there is at least one match in both tables while Left Join returns rows from the right and matched rows from the left table. Left join When to use Left Join Instead of Inner Join in SQL To choose which side of the table …
SQL DISTINCT clause is used to remove duplicate records. SELECT DISTINCT returns distinct(different) values. DISTINCT can be used with aggregate functions: COUNT, AVG, MAX, MIN. Syntax: SQL SELECT DISTINCT based on one column You can SELECT DISTINCT values from one column in a table. Below is the syntax. SQL SELECT DISTINCT based on multiple columns …
The SELECT statement in SQL is used to retrieve data from a database. Mostly used to retrieve all data in a table and data from desired table columns (fields). SELECT Syntax In the above syntax, you are selecting data from exact columns or fields indicated as column1, column2, column3 and so on. To select all …
A Database is a collection of unknown figures known as data. Databases are usually organized and un-organized data. Databases also contain rows(record) and columns(field). Company’s both large and small rely heavily on databases to power their applications. Databases store large amounts of data such as: user id’s, usernames, email addresses, healthcare data, product information, sales …