The Complete Guide to Master SQL for Data Analytics

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The Complete Guide to Master SQL for Data Analytics

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The Complete Guide to Master SQL for Data Analytics

SQL Masterclass: SQL for Data Analytics


SQL course covering important topics of Business Intelligence for SQL Database ( PostgreSQL ) from Beginner to Advanced

  • Can SQL be used for data analytics?
  • Which is the best tutorial for SQL?
  • How long would it take to learn SQL?
  • Can I teach myself SQL?
Learning SQL for Data Analytics is now easy with this online tutorial. Enroll today to master SQL from the beginning by learning SQL commands and tools.

Why learn SQL?


  1. SQL is the most universal and common used database language.It powers the most commonly used database engines like PostgreSQL, SQL Server, SQLite, and MySQL. Simply put,If you want to access databases then yes, you need to know SQL.
  2.  It is not really difficult to learn SQL. SQL is not a programming language, its a query language. The primary objective where SQL was created was to give the possibility to common people get interested data from database. It is also an English like language so anyone who can use English at a basic level can write SQL query easily.
  3. SQL is one of the most sought-after skills by hiring employers.

How much time does it take to learn SQL?


SQL is easy but no one can determine the learning time it takes. It totally depends on you. The method we adopted to help you learn SQL quickly starts from the basics and takes you to advanced level within hours. You can follow the same, but remember you can learn nothing without practicing it. Practice is the only way to learn SQL quickly.

What are the steps I should follow to learn SQL?


  1. Start learning from the basics of SQL. The first 10 sections of the course cover the basics.
  2. Once done with the basic try your hands on advanced SQL. Next 10 sections cover Advanced topics Next few sections will cover help you with interviews and Vivas.
  3. Practice your learning on the exercise provided in every section.
  4. What's the difference between SQL and PostgreSQL?

SQL is a language. Specifically, the "Structured Query Language"


PostgreSQL is one of several database systems, or RDMS (Relational Database Management System). PostgresSQL is one of several RDMSs, others of which are Oracle, Informix, MySQL, and MSQL.

All of these RDMSs use SQL as their language. Each of them have minor variations in the "dialect" of SQL that they use, but its all still SQL.

Which is better, PostgreSQL or MySQL?


Both are excellent products with unique strengths, and the choice is often a matter of personal preference.

PostgreSQL offers overall features for traditional database applications, while MySQL focuses on faster performance for Web based applications.

Open source development will bring more features to subsequent releases of both databases.

SQL Masterclass: SQL for Data Analytics
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What is online tutorial?

As the name suggests, instead of the teachers actually meeting the students in the classroom, they actually meet online via their computer screens. By sharing their screens, teachers can explain everything to students, the way they would have done on blackboards or smart boards, in a conventional classroom.

Revised version – Online tutoring is a convenient way for your child to improve and accelerate their new skills and study new and emerging topics with Our free online courses provide you with an affordable and flexible way

Students meet their teachers on an online platform that creates a virtual classroom setting. Teachers are able to share their screens and explain lessons and key concepts, the way they would have done on blackboards or smart boards, in conventional classrooms.

With the growth of technology, living in a modern world; education is no longer an option but a compulsion. More and more students year after year are looking for better educational opportunities, but unfortunately we have neither the infrastructure nor the faculty to meet the growing demand.

What appears to be a plausible solution to this huge increase in demand for learning are online tutorials. Today, we are in a position to harness the internet; to add to the scarcity of classroom space for the new generation of education seekers.

Innovation in the field of information technology came to our rescue; otherwise a large percentage of the young generation would have been left in limbo, looking to an uncertain future, without proper education.

Human evolution has been beset by challenges, seriously hindering the aspirations of a better future; and every time we overcome the hurdle, we call it development.

Why Online tutorial?

The modern world demands new skill sets that are impossible without education, so let's analyze how online tutorials can meet new needs.

The growth of educational facilities is lagging behind the growth of the population; the online tutorial is a plausible solution to compensate for this deficiency.

  • With the world grappling with a pandemic, and social distancing becoming a new standard of living, online tutorials help us to continue our education, while keeping our distances safe.
  • Not only does this save time for teachers and students, but it also saves time for parents and legal guardians who would otherwise have been engaged in escorting their children to the place of learning. This extra time can be used in a more meaningful way.
  • Students forget to bring assignments to a class that may hinder studies; this option does not exist for online tutorials.
  • Some students have the fascination of learning from a particular teacher, living in another state, and it is not physically feasible to change distances; but this issue can be resolved by connecting online.
  • Single parents and physically challenged people have limitations, their obligations and medical conditions restrict them from traveling; however they are intellectually capable of teaching. The online tutorial gives them the opportunity to earn a decent living and contribute to the economy.

As education is imperative in today's world, the online tutorial is the hour's need; it is the elixir chalice that can save our future from premature extinction.

How does Online tutorial work?

In online tutoring, instead of meeting teachers and students in a classroom, they connect online via their computer screens, via video conferencing platforms. Technology is able to bridge the physical separation gap and facilitate learning from different locations.

There are generally 2 types of online tutorials, either one tutor teaches an individual learner, or multiple students log on to the interface at the same time and are instructed by a single tutor.

Screen sharing is a very important feature of video conferencing; this allows one to give control of the screen to others so that users can observe activities on their screen in real time, and vice versa.

There are several good video conferencing platforms available on the market, such as zoom and Google meet, each with its own unique features. For example Google meet allows one-to-one screen sharing at a time, which is conducive to teaching a single individual; while zoom allows multiple screen sharing at the same time, which is favorable for teaching multiple learners.

So with technology bridging the gap between physical distance and lack of infrastructure, online tutorials are all set to change the landscape of global education and raise the bar of human evolution.

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