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Let’s Talk SQL

 Analytics Vidhya

According to an IADSS article* SQL is the second most common skill listed in data science job postings — only python is more common. This makes SQL a core skill for any data scientist, data analyst…

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About SQL

 Codecademy

SQL stands for S tructured Q uery L anguage, and is the programming language implemented by a database management system (DBMS) used for managing and querying data held in a relational database. SQL h...

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SQL BASICS

 Analytics Vidhya

Structured Query Language (SQL) is one of the essential languages used by data scientists. It is designed to manage and query data in relational databases like MySQL and PostgreSQL. It’s also one of…

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SQL Riddles to Test Your Wits

 Towards Data Science

Timestamps, dependent filters, and misbehaving left joins Continue reading on Towards Data Science

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SQL queries

 Towards Data Science

I don’t use SQL very often and every time I need it, I find myself googling for the syntax of even the most basic operations. To help myself out, I have put together a cheat sheet of useful queries…

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First steps to SQL!

 Analytics Vidhya

When we think about the amount of data we are storing and using, it looks like SQL is going to be around for a long time. Let’s assume that we have a database on a server. This server can be on a…

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Introduction to SQL

 Renan Moura – Software Engineering

It doesn’t matter if you are a frontend, backend, or a full stack developer, knowing SQL is a must have skill. What is SQL and why you should learn it SQL stands for Structured Query Language. It is p...

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SQL in Data Science

 Towards Data Science

This post will serve as a tutorial for querying data with SQL (Structured Query Language). For the purposes of this tutorial, I will be using the SQLite3 library, which provides a relational database…...

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SQL for Pythonistas

 Python in Plain English

… in Data Engineering in a nutshell Continue reading on Python in Plain English

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What is SQL?

 Python in Plain English

What is SQL? SQL ( Structured Query Language ) is a domain-specific language used in programming and designed for managing data held in a relational database management system (RDBMS), or for stream p...

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SQL Fundamentals I

 Level Up Coding

SQL stands for Structured Query Language. In some applications, it is also known as DSL, or Domain Specific Language. SQL is used to manage and manipulate data stored in a relational database manageme...

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SQL for beginners

 Towards Data Science

For the last five weeks, I have been publishing SQL lessons on Medium. Several of my mates expressed an interest in learning data science while social distancing, so I thought it would be fun to help…...

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A Short Introduction to SQL

 Level Up Coding

SQL, which stands for structured query language, is used for storing, manipulating, and retrieval of data from databases. There are various types of database management systems, and some might…

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4 Important SQL Concepts for Beginners

 Towards Data Science

Let’s learn some important SQL concepts for beginners to power up your queries Continue reading on Towards Data Science

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The World of SQL Query Optimization

 Towards Data Science

A peek into the different query optimizers and how they work Continue reading on Towards Data Science

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Getting started with SQL! (Part 1)

 Analytics Vidhya

As a data scientist or a data analyst, to analyze and predict is a secondary task, the most important skill is to manage, understand and process data. SQL is one way to make friends with data and…

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5 Most Common SQL mistakes you should avoid

 Towards Data Science

Learn how to speed up the execution of your SQL queries Continue reading on Towards Data Science

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How to SQL?

 Analytics Vidhya

All the SQL FAQ as a Data Scientist. “How to SQL?” is published by Rahul Lalchandani in Analytics Vidhya.

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SQL FOR DATA SCIENCE

 Analytics Vidhya

Along with R, Python, having a SQL knowledge is now an need of an hour for all those working/ looking out jobs in the field of Data Science. By 2025, the amount of data generated each day is expected…...

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SQL for Data Professionals (Useful commands)

 Analytics Vidhya

Structured Query Language (SQL) is a programming language that is typically used in relational databases or data stream management systems. It was developed by IBM in the early 1970s and is now an…

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The Power of SQL: 10 Essential Tricks You Should Know

 Javarevisited

SQL (Structured Query Language) serves as the backbone of database management and data retrieval, making it an indispensable tool for anyone working with databases.Mastering these SQL tricks will elev...

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A beginner’s guide to SQL

 Towards Data Science

Databases are computer system that allow for storage and easy access of data. Depending on how their data is organised, databases can be relational (RDBMS) or non-relational (NoSQL). Relational…

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SQL Queries, everything you need to know to get started.

 Javarevisited

If you’re new to SQL (Structured Query Language), or just need a refresher, this article is definitely for you.SQL queries are a crucial part of every data analyst toolkit, and for good reason - they ...

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Introduction to SQL

 Analytics Vidhya

SQL stands for Structured Query Language. SQL lets you access and manipulate databases. SQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International…

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