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SQL & PostgreSQL for Beginners: Become an SQL Expert

SQL & PostgreSQL Tutorial: Become an Expert in SQL and PostgreSQL by Writing SQL Queries using PostgreSQL and PgAdmin 4.
4.6
4.6/5
(4,720 reviews)
22,833 students
Created by

9.8

Classbaze Grade®

10.0

Freshness

9.4

Popularity

9.5

Material

SQL & PostgreSQL Tutorial: Become an Expert in SQL and PostgreSQL by Writing SQL Queries using PostgreSQL and PgAdmin 4.
Platform: Udemy
Video: 9h 11m
Language: English
Next start: On Demand

Best PostgreSQL classes:

Classbaze Rating

Classbaze Grade®

9.8 / 10

CourseMarks Score® helps students to find the best classes. We aggregate 18 factors, including freshness, student feedback and content diversity.

Freshness

10.0 / 10
This course was last updated on 5/2022.

Course content can become outdated quite quickly. After analysing 71,530 courses, we found that the highest rated courses are updated every year. If a course has not been updated for more than 2 years, you should carefully evaluate the course before enrolling.

Popularity

9.4 / 10
We analyzed factors such as the rating (4.6/5) and the ratio between the number of reviews and the number of students, which is a great signal of student commitment.

New courses are hard to evaluate because there are no or just a few student ratings, but Student Feedback Score helps you find great courses even with fewer reviews.

Material

9.5 / 10
Video Score: 9.0 / 10
The course includes 9h 11m video content. Courses with more videos usually have a higher average rating. We have found that the sweet spot is 16 hours of video, which is long enough to teach a topic comprehensively, but not overwhelming. Courses over 16 hours of video gets the maximum score.
The average video length is 5 hours 23 minutes of 49 PostgreSQL courses on Udemy.
Detail Score: 9.7 / 10

The top online course contains a detailed description of the course, what you will learn and also a detailed description about the instructor.

Extra Content Score: 9.9 / 10

Tests, exercises, articles and other resources help students to better understand and deepen their understanding of the topic.

This course contains:

2 articles.
28 resources.
0 exercise.
0 test.

In this page

About the course

Become an expert in SQL and PostgreSQL with this bestselling course!
SQL is one of the most in-demand tech skills across many industries so learning SQL is one of the best ways to boost your career! After taking this course you will be comfortable putting SQL and PostgreSQL on your resume/CV. 
In the age of Big Data and Data Analysis, demand for employees with SQL skills has never been higher and will only increase in the future. Stand out from the crowd and learn SQL today.
PostgreSQL is the World’s most advanced open source relational database. It has a strong reputation for its reliability, data integrity and robustness. Because of this, PostgreSQL is one of the most popular and widely used database systems in the world. Companies who use PostgreSQL include Apple, Cisco, Spotify, Fujitsu, Skype, Netflix and IMDb.
A 2019 survey of stackoverflow developers reported that one third of developers used PostgreSQL on a daily basis in their professional lives, up from 25% in 2018. In 2019 PostgreSQL was the fastest growing database for the third year in a row. PostgreSQL experience really is a desired skill in the tech industry.

Here’s what students are saying about this SQL course: 
Christopher says – “A really great course. The structure was well setup and the pacing was perfect. Each section and lecture flowed well in to the next. The exercises and solutions were very helpful. I was new to sql and postgresql before taking this course but I can now say that I am comfortable with both.”

Erin Todd says – “I love this course so far very easy to follow and interactive.”
Raymond Beauchamp says – “Amount of information is good for a beginner course. Was beneficial in increasing my understanding of the subject. Instructor was knowledgeable, and was easy to follow.”

John Hellmann says – “Very concise lectures! Was a great course overall”
Abhinav Sharma says – “The explanations are really clear and the course structure is very well thought out.”

By the end of this course you will know how to:
•Create a relational database from scratch
•Create, alter and delete tables from a database
•Insert, update and delete data from a table
•Retrieve data from a database using select queries
•Filter data using where clauses and logical operators
•Order and limit data retrieved from a table
•Use aggregate functions and group data to gain more meaningful insights from a database
•Relate tables together using database relationships
•Use SQL join queries to retrieve data from multiple tables in a single query
•Master complex SQL subqueries
•Apply SQL string functions to data in PostgreSQL

A step-by-step video of how to install and setup PostgreSQL is included and the setup is completely FREE.

The SQL code for each video is included as a resource so you can easily access it. 
There are SQL exercises, and video solutions, along the way to help you improve your knowledge and SQL skills. 

I will be actively answering any questions you may have about the course in the Q&A section. 
The course will be continually updated with more sections in the future.

Watch the free preview videos and start learning SQL – one of the most important and in-demand technology skills!

What can you learn from this course?

✓ How to create a database from scratch.
✓ Use SQL to perform data analysis.
✓ Perform complex SQL queries using joins and subqueries.
✓ Understand database concepts such as database relationships.
✓ Confident putting SQL and PostgreSQL on your resume.

What you need to start the course?

• No previous knowledge of SQL or PostgreSQL is needed for this course.

Who is this course is made for?

• Anyone wanting to learn SQL or PostgreSQL.
• Anyone with a basic knowledge of SQL but is new to PostgreSQL.
• Anyone wanting to learn more about databases.

Are there coupons or discounts for SQL & PostgreSQL for Beginners: Become an SQL Expert ? What is the current price?

The course costs $24.99. And currently there is a 81% discount on the original price of the course, which was $129.99. So you save $105 if you enroll the course now.
The average price is $14.7 of 49 PostgreSQL courses. So this course is 70% more expensive than the average PostgreSQL course on Udemy.

Will I be refunded if I'm not satisfied with the SQL & PostgreSQL for Beginners: Become an SQL Expert course?

YES, SQL & PostgreSQL for Beginners: Become an SQL Expert has a 30-day money back guarantee. The 30-day refund policy is designed to allow students to study without risk.

Are there any financial aid for this course?

Currently we could not find a scholarship for the SQL & PostgreSQL for Beginners: Become an SQL Expert course, but there is a $105 discount from the original price ($129.99). So the current price is just $24.99.

Who will teach this course? Can I trust Jon Avis - SQL Instructor?

Jon Avis – SQL Instructor has created 2 courses that got 38,010 reviews which are generally positive. Jon Avis – SQL Instructor has taught 132,163 students and received a 4.5 average review out of 38,010 reviews. Depending on the information available, we think that Jon Avis – SQL Instructor is an instructor that you can trust.
IT Systems Engineer and SQL Instructor
Hi, my name is Jon. I am from the UK and currently work in Hong Kong. I work in the financial industry as an IT Systems Engineer. This has allowed me to become an expert in SQL, Databases, Unix, Shell Scripting and coding in multiple languages.
Part of my role as a Systems Engineer is to teach complex, technical subjects to colleagues. Through Udemy I hope to do the same to many more students around the globe.
Browse all courses by on Classbaze.

9.8

Classbaze Grade®

10.0

Freshness

9.4

Popularity

9.5

Material

Platform: Udemy
Video: 9h 11m
Language: English
Next start: On Demand

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