@eeeeeun

Eun Lee

@eeeeeunVancoverJoined February 2025

Now studying in Data Analytic in Canada, ex-Prodcut Designer in Korea

About

Nothing here yet.

Available for

Nothing here yet.

Eun Lee's blogs

eeeeeuneeeeeun.hashnode.dev7 posts

Articles Comments

Recently published

ELEun Leeeeeeeun.hashnode.devMay 20, 2025 · 2 min read

Admin System Building 101

"Wait, me? Designing the admin dashboard?!" By a stroke of luck, I got an internship opportunity at a startup. The product hadn’t launched yet, and I was suddenly tasked with designing the admin system for our future partners. I wasn’t sure where to ...

ELEun Leeeeeeeun.hashnode.devMay 12, 2025 · 4 min read

[Adventure Works] Let's boost profit -2

Purchase Pattern In a previous post, I shared why I believe Adventure Works should focus on B2C online sales. The numbers were clear: more orders, better margins, and healthier growth. So naturally, the next step was to ask: how do we grow that even ...

ELEun Leeeeeeeun.hashnode.devMar 20, 2025 · 3 min read

[SQL] HackerRank: Ollivander's Inventory (With VS SubQuery)

Question Harry Potter and his friends are at Ollivander's with Ron, finally replacing Charlie's old broken wand. https://www.hackerrank.com/challenges/harry-potter-and-wands/problem?isFullScreen=true On first trial, I approached to the solution wit...

ELEun Leeeeeeeun.hashnode.devMar 17, 2025 · 3 min read

[SQL] HackerRank : Weather Observation Station 20 (the Median)

Questions Query the median of the Northern Latitudes (LAT_N) from STATION and round your answer to decimal places. https://www.hackerrank.com/challenges/weather-observation-station-20/ Before we start, What is median? The median of a set of number...

ELEun Leeeeeeeun.hashnode.devMar 10, 2025 · 2 min read

[SQL] HackerRank: Manhattan and Euclidean Distance

Questions https://www.hackerrank.com/challenges/weather-observation-station-18/problem?isFullScreen=true http://hackerrank.com/challenges/weather-observation-station-19/problem?isFullScreen=true Those two questions are pretty interesting. While resea...

Eun Lee

About

Available for

Eun Lee's blogs

Recently published

Admin System Building 101

[Adventure Works] Let's boost profit -2

[SQL] HackerRank: Ollivander's Inventory (With VS SubQuery)

[SQL] HackerRank : Weather Observation Station 20 (the Median)

[SQL] HackerRank: Manhattan and Euclidean Distance

Search Hashnode

Eun Lee

About

Available for

Eun Lee's blogs

Recently published

Admin System Building 101

[Adventure Works] Let's boost profit -2

[SQL] HackerRank: Ollivander's Inventory (With VS SubQuery)

[SQL] HackerRank : Weather Observation Station 20 (the Median)

[SQL] HackerRank: Manhattan and Euclidean Distance