5 Free Programs to Grasp SQL for Knowledge Science

5 Free Courses to Master SQL for Data Science

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SQL is a must have talent for all knowledge professionals. However reaching mastery in SQL is a steady journey.

Right here we’ve compiled a listing of 5 tremendous helpful but free SQL programs that can assist you study and grow to be proficient in SQL. These programs cowl all of the SQL you’ll want for knowledge science: from the fundamentals relational databases and SQL to NoSQL databases and extra.

Whether or not you’re new to SQL or seeking to brush up your SQL abilities, these programs will enable you degree up. So let’s go over them!

Hyperlink: SQL Tutorial – Full Database Course for Beginners

This course introduces you to the fundamentals of SQL and database administration techniques. You’ll study:

CRUD operations
Schema design
Aggregation
Nested queries
Joins and Unions
Capabilities and Triggers
ER diagrams

Hyperlink: Mode SQL Tutorial

The SQL tutorial from Mode is among the most complete programs that can assist you learn to question relational database tables utilizing SQL and reply enterprise questions.

This course is structured as a sequence of 4 modules:

Fundamental SQL
Intermediate SQL
Superior SQL
SQL analytics coaching

Within the Fundamental SQL module, you’ll study and apply:

SELECT, LIMIT, and WHERE clause
Comparability and logical operators
LIKE, IN, and BETWEEN operators
IS NULL
AND, OR, NOT operators
ORDER BY

Within the Intermediate SQL part you’ll study:

Combination capabilities
Group by and having
Distinct
Several types of joins

Within the Superior SQL module, you’ll study the next:

Knowledge varieties: dates and strings
Knowledge wrangling
SQL string capabilities and window capabilities
Subqueries
Efficiency tuning

You’ll then work on real-world case research within the SQL analytics coaching module.

Hyperlink: Learn SQL Basics for Data Science Specialization

The SQL fundamentals for knowledge science specialization on Coursera will educate you nearly all of the SQL that you just want in your knowledge science profession.

The next are the programs within the specialization:

SQL for Knowledge Science
Knowledge wrangling evaluation and AB testing with SQL
Distributed Computing with Spark SQL
SQL for Knowledge Science Capstone Venture

Observe: This specialization is obtainable on Coursera. So you’ll be able to audit it without spending a dime. When you want a verified certificates, nevertheless, it is best to have a Coursera Plus subscription. You may as well apply for monetary support in case you are not in a position to pay for the certificates.

Hyperlink: NoSQL vs SQL – Which Type of Database Should You Use?

As an information scientist, it’s a must to work with each relational and NoSQL databases. Earlier than diving into NoSQL databases, it is useful to grasp the traits of SQL and NoSQL databases and the use instances for every of those.

On this brief course on SQL vs. NoSQL databases, you’ll get to discover the next:

The traits of relational and NoSQL databases
The necessity for NoSQL databases
The professionals and cons of every of those database varieties
When to make use of RDBMS vs. NoSQL databases

Hyperlink: NoSQL Database Tutorial – Full Course for Beginners

On this brief course on NoSQL databases, you’ll discover the various kinds of NoSQL databases and likewise work on initiatives. You’ll study:

Why it is best to use NoSQL databases
Tabular databases
Doc databases
Graph databases
Key-value databases
Multi-model kind

I hope you discovered this compilation of SQL programs for knowledge science useful. You possibly can take all of those programs without spending a dime. But when you have already got some familiarity with SQL, you’ll be able to select to work solely by the SQL for knowledge science specialization.

Bala Priya C is a developer and technical author from India. She likes working on the intersection of math, programming, knowledge science, and content material creation. Her areas of curiosity and experience embody DevOps, knowledge science, and pure language processing. She enjoys studying, writing, coding, and occasional! Presently, she’s engaged on studying and sharing her data with the developer neighborhood by authoring tutorials, how-to guides, opinion items, and extra.