1st lesson free
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Grgrjobs
- Rate €15
- Response 1h
€15/h
Contact
1st lesson free
- Databases
- MySQL
Master SQL Quickly with Step-by-Step Guidance from a Skilled Data Science Professional
- Databases
- MySQL
Lesson location
About Grgrjobs
I am passionate about teaching SQL in a way that makes it clear, practical, and easy to understand. With a strong background in data analysis and real-world projects, I know how to break down complex concepts into simple steps that students can follow. My lessons are professional, structured, and always tailored to your level, whether you are just starting out or want to strengthen your advanced SQL skills. I take pride in creating a positive and supportive learning environment where students feel confident to ask questions and grow.
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About the lesson
- Primary
- Junior Cycle
- Transition Year
- +10
levels :
Primary
Junior Cycle
Transition Year
Fifth Year
Sixth Year
Adult education
Master's degree
Doctorate degree
Beginner
Intermediate
Advanced
Professional
Kids
- English
All languages in which the lesson is available :
English
With me, Grgrjobs, you’ll learn SQL step by step in a way that feels simple and practical. We’ll start with the basics, such as understanding databases, tables, and how to create and manage them. You’ll practice writing queries to insert, update, delete, and retrieve data confidently.
Once you’re comfortable, we’ll move on to more powerful SQL tools. You’ll learn how to filter and sort data, use functions like COUNT, SUM, and AVG, and work with dates and strings. We’ll then explore how to combine data from different tables using joins, and I’ll show you how relationships between tables really work in real-world scenarios.
As you progress, I’ll introduce advanced concepts like subqueries, grouping data, conditional logic with CASE, and window functions that are widely used in data analysis. We’ll also discuss transactions, indexes, and techniques to improve query performance, so you know not just how to write SQL, but how to write it well.
Finally, I’ll guide you through real-world applications. Together, we’ll solve practical problems using datasets like sales records, student data, or e-commerce examples. By the end, you’ll have both the confidence and the skills to apply SQL in data science, analytics, or business projects.
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Rates
Rate
- €15
Pack prices
- 5h: €77
- 10h: €155
online
- €15/h
free lessons
The first free lesson with Grgrjobs will allow you to get to know each other and clearly specify your needs for your next lessons.
- 1hr
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