1^st lesson free

Ange Gauthier

5 (8 reviews)

Price $43
Answer 24h
Students
Number of students Ange Gauthier has accompanied since arriving at Superprof
2
Number of students Ange Gauthier has accompanied since arriving at Superprof

5 (8 reviews)

$43/h

1^st lesson free

SQL
PostgreSQL

Experienced teacher offers a complete course on the SQL language, suitable for all levels

SQL
PostgreSQL

Lesson location

- online

About Ange Gauthier

Want to make rapid progress but don't know where to start?

With 16 years of experience in IT and over 1,000 hours of online teaching, I help you develop your skills through one simple approach: learning by doing.

No unnecessary theory here! We focus on your projects, your challenges, and your goals. Every lesson helps you build practical skills and make real progress at your own pace.

From our very first conversation, we'll assess your current level and create a clear, personalized learning plan tailored to your needs.

Let's discuss your goals and build your success, one lesson at a time!

About the lesson

Have you been mixing up INNER and LEFT JOIN for a year, got a schema to design, or feel drawn to data? This course is for high school and university students (NSI, BTS SIO, BUT, bachelor's degree), web and mobile developers who want to secure and optimize their databases, and people transitioning into data analyst or backend roles.

My method: you design your own database from the very first lesson, built around a project that speaks to you (library, CRM, e-commerce). Each concept is applied immediately to a real dataset, not fictional tables. On the program: entity-relationship modeling, MySQL (DDL, DML, all JOIN types, GROUP BY, subqueries, views, stored procedures, triggers, indexes, ACID transactions, 3NF normalization), MongoDB (CRUD, complex filters, aggregation pipeline, indexing), integration with Python, PHP, or Node.js, DBeaver, MongoDB Compass.

Observed results: independently writing complex three way JOIN queries by the 3rd session, normalized and optimized architecture within 6 to 8 weeks; several students landed a data analyst or backend position. Formats: one off, regular (6 to 8 weeks), or intensive. No prerequisites required. First 30 minutes free: build your first working database together with me.

Recommendations

Recommendations come from relatives, friends and acquaintances of the teacher

R

Rebecca

An excellent tutor! His explanations are clear, his exercises are practical, and his patience is remarkable. I finally understand Excel features that used to seem complicated. Highly recommended!
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R
Rebecca
An excellent tutor! His explanations are clear, his exercises are practical, and his patience is remarkable. I finally understand Excel features that used to seem complicated. Highly recommended!
M

Maxime

These classes have been a revelation for me! As a computer novice, I was afraid of feeling overwhelmed, but the teacher made complex concepts accessible and interesting. I am very grateful for this enriching learning experience.
Read more

M
Maxime
These classes have been a revelation for me! As a computer novice, I was afraid of feeling overwhelmed, but the teacher made complex concepts accessible and interesting. I am very grateful for this enriching learning experience.
S

Sarah

The classes were well-organized and tailored to my level of competence. I greatly appreciated the teacher's patience and expertise, as they were able to answer all my questions clearly.
Read more

S
Sarah
The classes were well-organized and tailored to my level of competence. I greatly appreciated the teacher's patience and expertise, as they were able to answer all my questions clearly.
P

Pierre

As a parent, I am thrilled to see how much my child has progressed thanks to these classes. The teacher created a stimulating and encouraging learning environment, allowing my child to flourish in their computer skills.
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P
Pierre
As a parent, I am thrilled to see how much my child has progressed thanks to these classes. The teacher created a stimulating and encouraging learning environment, allowing my child to flourish in their computer skills.
J

Julien

I highly recommend these classes to anyone who wants to familiarize themselves with computer science. The lessons are interactive and the explanations are clear, which made the learning truly enjoyable.
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J
Julien
I highly recommend these classes to anyone who wants to familiarize themselves with computer science. The lessons are interactive and the explanations are clear, which made the learning truly enjoyable.
S

Samuel

I am so grateful for the opportunity to take these classes. The teacher managed to captivate my interest in computer science and encouraged me to explore this fascinating field further. Thank you for this wonderful experience!
Read more

S
Samuel
I am so grateful for the opportunity to take these classes. The teacher managed to captivate my interest in computer science and encouraged me to explore this fascinating field further. Thank you for this wonderful experience!
N

Nicolas

The classes were a revelation for me and opened up new perspectives in my professional life. I am extremely grateful to the teacher for their expertise and ongoing support.
Read more

N
Nicolas
The classes were a revelation for me and opened up new perspectives in my professional life. I am extremely grateful to the teacher for their expertise and ongoing support.
T

Tueche Massaba

Thanks to the dynamic and well-structured classes, I was able to acquire a solid understanding of the fundamentals of computer science. I am grateful to the teacher for their patience and dedication!
Read more

T
Tueche Massaba
Thanks to the dynamic and well-structured classes, I was able to acquire a solid understanding of the fundamentals of computer science. I am grateful to the teacher for their patience and dedication!
View more recommendations

Rates

Price

Pack prices

5h: $200
10h: $400

free lessons

The first lesson with Ange Gauthier will allow you to get to know each other and discuss your needs for future lessons.

30mins

online

$43/h

Experienced teacher offers a complete course on the SQL language, suitable for all levels

Lesson location

Recommended

About Ange Gauthier

About the lesson

Recommendations

Rates

Price

Pack prices

free lessons

online

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Recommendations

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Pack prices

free lessons

online

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Having a 3 years + experience ,passionate to teach any age from 4-40, scratch for kids , html &css, python, c++ , java , basic to advance specialized in software computer science

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