Course
Certificate
Introduction to SQL
4.8+
1295 reviews
Beginner
This course is for you if you are new to SQL, you want to quickly learn how to get the most out of SQL and you want to learn how to use SQL in your own application development..
41 chapters
4 hours
PythonChatGPTSQLNumPyRPandasHTMLReactCJavaJavaScriptReduxC++PythonChatGPTSQLNumPyRPandasHTMLReactCJavaJavaScriptReduxC++
PythonChatGPTSQLNumPyRPandasHTMLReactCJavaJavaScriptReduxC++
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What you will learn
1
Retrieving Data
In this section, we will learn how to use the SQL SELECT statement to get a single table column, multiple table columns, and all table columns. We will also find out how to return unique values.
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2
Sorting Retrieved Data
In this section, we will learn how to sort retrieved data using the ORDER BY clause. This clause, which must be the last in the SELECT statement, can be used to sort data on one or more columns as needed.\n
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3
Filtering Data
In this section, we will learn how to filter returned data using the SELECT statement’s WHERE clause. We will learn how to test for equality, inequality, more and less significant than value ranges, and NULL values.
View chapter details
Show more
1
Retrieving Data
In this section, we will learn how to use the SQL SELECT statement to get a single table column, multiple table columns, and all table columns. We will also find out how to return unique values.
View chapter details
2
Sorting Retrieved Data
In this section, we will learn how to sort retrieved data using the ORDER BY clause. This clause, which must be the last in the SELECT statement, can be used to sort data on one or more columns as needed.\n
View chapter details
3
Filtering Data
In this section, we will learn how to filter returned data using the SELECT statement’s WHERE clause. We will learn how to test for equality, inequality, more and less significant than value ranges, and NULL values.
View chapter details
4
Advanced Data Filtering
In this section, we will learn how to combine WHERE clauses with the AND and OR operators. We will also find out how the NOT operator works.\n\n\n
View chapter details
5
Aggregate Functions
In this section, we will learn what the SQL aggregate functions are and how to use them to summarize table data.
View chapter details
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Over 200,000 5-star ratings
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Ruslan Kravchuk
The main thing is to learn and not give up
The material is good, there is a lot to learn, all in order to become better and the main thing is to learn what you want....
Matteo Comune
Thanks to them I'm learning a lot…
Thanks to them I'm learning a lot faster because they help you to understand everything from scratch. It's the best website that helps people with no background in IT...
Yuliana Cadavid
great course for beginners
great course for beginners, they test your knowledge in every lesson...
Elpunzon
I am enjoying my Codefinity experience…
I am enjoying my Codefinity experience learning Python. The self-paced way of learning is great because I can fit it into my schedule...
Alexandru Alexandru
Is nice to learn from codefinity
Is nice to learn from codefinity. Its easy and have good examples on what I learned here...
jacob Templet
Easy to follow along with and provides...
Easy to follow along with and provides challenge in my every day life. The challenge keeps me wanting to learn day after day...
Elan
Codefinity is a comprehensive learning…
Codefinity is a comprehensive learning tool to help you develop your skills as a software engineer or data scientist. The exercises are fun and a good way to sharpen your skills...
Thibault
First time learning how to code
First time learning how to code and successfully doing so with codefinity - thank you...
Adrien Morel
Well designed for total beginners
Well designed for total beginners, incremental progress and makes me feel confident....
_Gracy
it's simply perfectly well explained
it's simply perfectly well explained! so far I have not experienced any difficulty because everything is so well managed...
Ruslan Kravchuk
The main thing is to learn and not give up
The material is good, there is a lot to learn, all in order to become better and the main thing is to learn what you want....
Matteo Comune
Thanks to them I'm learning a lot…
Thanks to them I'm learning a lot faster because they help you to understand everything from scratch. It's the best website that helps people with no background in IT...
Yuliana Cadavid
great course for beginners
great course for beginners, they test your knowledge in every lesson...
Elpunzon
I am enjoying my Codefinity experience…
I am enjoying my Codefinity experience learning Python. The self-paced way of learning is great because I can fit it into my schedule...
Alexandru Alexandru
Is nice to learn from codefinity
Is nice to learn from codefinity. Its easy and have good examples on what I learned here...
jacob Templet
Easy to follow along with and provides...
Easy to follow along with and provides challenge in my every day life. The challenge keeps me wanting to learn day after day...
Elan
Codefinity is a comprehensive learning…
Codefinity is a comprehensive learning tool to help you develop your skills as a software engineer or data scientist. The exercises are fun and a good way to sharpen your skills...
Thibault
First time learning how to code
First time learning how to code and successfully doing so with codefinity - thank you...
Adrien Morel
Well designed for total beginners
Well designed for total beginners, incremental progress and makes me feel confident....
_Gracy
it's simply perfectly well explained
it's simply perfectly well explained! so far I have not experienced any difficulty because everything is so well managed...
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Frequently Asked Questions

Is this a subscription service?

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Yes, this is a subscription-based service that renews automatically until cancelled. For more information, please refer to the terms and conditions and subscription terms.

How will I study?

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The course is built around practical work and includes only the minimum necessary theory. From day one, you will learn how to think like a programmer and tackle the problems they are working on. Pro plan users have access to all courses on our platform. Ultimate plan users also have access to projects and learning tracks, which will help them learn and master their knowledge faster.

I don't have a technical background. Is this course right for me?

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Absolutely! Our course is suitable for beginners who have no prior experience in programming. In fact, 90% of our students have no technical background. We will teach you the basics and provide support throughout the course.

Are there any special technical requirements?

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You can use any home computer or laptop that supports a stable Internet connection.

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