AWS Introduction/Practical Guide That Even Non-Majors Can Understand
jscode
I've created an AWS intro course, easy for non-specialists to understand and immediately applicable!
입문
AWS, aws-elb, aws-rds
I've created the 'MySQL Performance Optimization Intro/Practical (SQL Tuning Edition)' course, easy for non-majors to understand and immediately applicable in practice!
Self-directed SQL statement tuning methods
Practical Index Techniques
MySQL Performance Improvement Methods
Practical DB Performance Improvement Methods
Identifying SQL Performance Bottlenecks with Execution Plans
Who is this course right for?
Backend Developer seeking IT service firm roles
Job seeker seeking unique qualifications
MySQL Performance Improvement: Hands-on?
Those needing to improve DB performance in their practical work.
Those who want to learn SQL tuning
For those who want to directly analyze and fix slow SQL.
Need to know before starting?
SQL query
27,149
Learners
1,572
Reviews
613
Answers
4.9
Rating
16
Courses
[Sites]
Youtube 바로가기
LinkedIn 바로가기
[Career]
現) JSCODE - 대표 멘토, CEO
前) (주)트라이포드랩 - CTO
前) (주)온리원유니버스 - CTO
前) 달리(DALY) - CTO
前) 팀메이트(Teammate) - CEO
[Books]
『Do it! JSCODE의 AWS 입문』, 이지스퍼블리싱 (2025.05)
[ETC]
- 기업 대상 개발 컨설팅 및 코딩 교육 활동
All
39 lectures ∙ (2hr 42min)
Course Materials:
All
116 reviews
5.0
116 reviews
Reviews 1
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Average Rating 5.0
5
At first, I thought it was too basic, but as I went on, it definitely helped me with the tuning part! After finishing the practice, the teacher extracted only the main points, so I understood it well without any questions. Thank you. I'm going to watch other lectures.
Young-nim~ I think you followed along very well since you understood all the content just from the lecture! I will gain strength and prepare hard for other lectures :) Thank you so much for the course review~ 😊
Reviews 469
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Average Rating 5.0
Reviews 4
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Average Rating 5.0
5
It was a practical lecture that could be immediately applied to SQL performance improvement.
Soohyun, you've worked hard to listen to all the lectures! Thank you for leaving a great review 😊😊
Reviews 2
∙
Average Rating 5.0
5
I recommend this lecture if you like learning concepts briefly and then immediately putting them into practice. The conceptual part is taught very briefly, so supplementary study is needed. However, I liked that I could apply it right away. If you study the B-Tree index structure and how MySQL performs index searches and index scans, and then follow along with the practice exercises, you can immediately picture it in your head.
Hello 13123213! As you mentioned, studying theoretical content in addition to practical exercises will allow you to learn in much greater depth 😊 It seems like you've been balancing supplementary study and lectures well! Be sure to apply what you've learned in real-world situations as much as possible!
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$41.80
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$59.40
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