Data Science & Developer Roadmaps with Free Learning Resources
Let’s Talk SQL
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…
Read more at Analytics Vidhya | Find similar documentsAbout SQL
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...
Read more at Codecademy | Find similar documentsSQL BASICS
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…
Read more at Analytics Vidhya | Find similar documentsSQL Riddles to Test Your Wits
Timestamps, dependent filters, and misbehaving left joins Continue reading on Towards Data Science
Read more at Towards Data Science | Find similar documentsSQL queries
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…
Read more at Towards Data Science | Find similar documentsFirst steps to SQL!
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…
Read more at Analytics Vidhya | Find similar documentsIntroduction to SQL
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...
Read more at Renan Moura – Software Engineering | Find similar documentsSQL in 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…...
Read more at Towards Data Science | Find similar documentsSQL for Pythonistas
… in Data Engineering in a nutshell Continue reading on Python in Plain English
Read more at Python in Plain English | Find similar documentsWhat is SQL?
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...
Read more at Python in Plain English | Find similar documentsSQL Fundamentals I
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...
Read more at Level Up Coding | Find similar documentsSQL for beginners
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…...
Read more at Towards Data Science | Find similar documentsA Short Introduction to SQL
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…
Read more at Level Up Coding | Find similar documents4 Important SQL Concepts for Beginners
Let’s learn some important SQL concepts for beginners to power up your queries Continue reading on Towards Data Science
Read more at Towards Data Science | Find similar documentsThe World of SQL Query Optimization
A peek into the different query optimizers and how they work Continue reading on Towards Data Science
Read more at Towards Data Science | Find similar documentsGetting started with SQL! (Part 1)
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…
Read more at Analytics Vidhya | Find similar documents5 Most Common SQL mistakes you should avoid
Learn how to speed up the execution of your SQL queries Continue reading on Towards Data Science
Read more at Towards Data Science | Find similar documentsHow to SQL?
All the SQL FAQ as a Data Scientist. “How to SQL?” is published by Rahul Lalchandani in Analytics Vidhya.
Read more at Analytics Vidhya | Find similar documentsSQL FOR DATA SCIENCE
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…...
Read more at Analytics Vidhya | Find similar documentsSQL for Data Professionals (Useful commands)
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…
Read more at Analytics Vidhya | Find similar documentsThe Power of SQL: 10 Essential Tricks You Should Know
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...
Read more at Javarevisited | Find similar documentsA beginner’s guide to SQL
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…
Read more at Towards Data Science | Find similar documentsSQL Queries, everything you need to know to get started.
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 ...
Read more at Javarevisited | Find similar documents- «
- ‹
- …