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[백문이불여일타] 데이터 분석을 위한 고급 SQL 문제풀이
데이터리안
인프런 누적 수강생 10,000명 이상, 풍부한 온/오프라인 강의 경험을 가진 데이터리안의 SQL 고급 문제풀이 강의. SQL 고급 내용을 연습해 볼 수 있는 여러 문제를 함께 풀어봅니다.
Intermediate
SQL
If you've only heard about 'data-driven decision making' and are curious how others are doing it, attend the July seminar!
The meaning of data-driven decision-making
Data-Based Decision Making Cases in the CS Team
Data analysis cases without data infrastructure
Data examples for decision making
📍Notice
Cumulative number of applicants: approximately 2,600!
Watch the hotly debated seminar in video format.
📢 Please check before taking the class!
📺 In August, we'll be talking about data analyst jobs and hiring!
Did you think that only product teams should do data analysis? CS teams do data analysis too!
Datarian consists of four members, all of whom are data analysts. Two of them worked in well-established data infrastructure environments such as Kakao, Coupang, and Ridi, and the other two started from scratch by loading data. After starting Datarian, the first two had a big realization. Data did not spring up from the ground. In a situation where there is no data infrastructure, what kind of data do data analysts analyze and reflect in decision-making? If you are thinking about data analysis that leads to action, if you are a startup data analyst, if you have to analyze data in an environment without data infrastructure, if you are thinking, 'Can I utilize data in my work?' If you are thinking about it, listen to this lecture.
Ⅰ. Data analysis environment
Q1. How should data be loaded for early-stage startups?
Q2. In an organization with an old service and a large scale but not much data, should I start by asking to hire a data engineer? Or should I first show that I can do something with the data I have, even if it is small?
Q3. I think that analysis tools such as Amplitude and GA have become much more advanced recently, but I am curious about how much of the actual queries or coding is used.
Ⅱ. Starting data analysis
Q4. What should I know first when I first start using data? I feel overwhelmed by the overall indicators and the big picture. What should I do?
Q5. If a company wants to start working with data but doesn't know how to extract and organize the data, what would be a good place to start?
Q6. There are many who point out that presenting data and numbers is meaningless due to the lack of relevant information in very early-stage startups. What do you think about this?
Ⅲ. Using CS data
Q7. What is the main purpose of looking at data in the CS team?
Q8. If there is a method for collecting data to establish CX KPIs, please let me know.
Q9. What types of data are used to determine customer experience?
Q10. Since VOC data is collected from customers who have experienced a problem, it is difficult to represent all customers, and since the parameters themselves are smaller than the entire customer data, there are also some regrets about its reliability. As such, CX managers sometimes have doubts about VOC data. Is there a way to solve this?
Ⅳ. How to make good data-driven decisions?
Q11. What do you think about the biased way data is collected or analyzed to support the organization’s vision and goals in the data-driven decision-making process? I wonder how this can be addressed.
Q12. I have encountered many companies where data is only for reporting purposes, and in practice, confirmation and progress are made only when the above-mentioned orders are met. Is changing jobs the only answer to gain experience in making decisions based on data?
Q13. I am curious about the communication skills that lead to good data-based decision making. In particular, I think persuading decision makers is important but difficult. Do you have any know-how on how to persuade superiors?
Q14. I am curious if you have any know-how on how to communicate effectively when persuading decision makers with data analysis results.
Q15. I understand that organizational structure and data-based decision-making are deeply related. I am curious about successful cases of data-based decision-making and organizational structure.
Q16. It is very important to make decisions based on data, but when you focus too much on quantitative KPIs set by data, you run into problems in execution. I wonder how I can properly view data.
I worked as a data analyst at Jobplanet and now work at Datalian. From creating data that never existed before to proposing business strategies using data and managing projects. I do all the AZ of what can be done with data.
I am currently working as a data coach for the CS team of a securities company after working at a travel agency.
After working as a data analyst at Coupang, Hyperconnect, and Kakao, I am now the CEO of Datarian. Working with Datarian members has made me believe in the power of data even more.
After founding a shared housing startup and working as an analyst for a B2B logistics startup, he is now the CEO of Datarian. He is a young entrepreneur with experience from startup to exit. From the time he first started a company, he has constantly thought about business funnels, and he is currently designing and analyzing Datarian’s funnel.
I started out as a data analyst at a content platform and am now the CPO of Datarian. I am passionate about creating and analyzing original content for Datarian.
Q. When is the monthly Datalian Live Seminar? Where can I apply?
You can check out the next month's seminar information on the Datalian website . You can also apply right away!
Q. Is there anything I need to prepare before listening?
No :D Anyone can hear it!
Q. Can I view the slides you used in the seminar separately?
Please check the slides at the link below!
July Seminar Slides: https://bit.ly/3zxOWBd
In this seminar, we will provide Notion note-taking so that you can listen to the lecture while taking notes. Copy it to your personal Notion or watch it while taking notes on your tablet :)
Notion Notepad: https://bit.ly/3OC0qsF
Who is this course right for?
Anyone curious about data-driven decision making
Those curious about real-world examples of data-driven decision making
Those curious about the outlook of data analysis
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5. Part 2 - Q&A
01:00:43
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