emma
10.5K posts

emma
@_blueblooms
Currently data analyst learner. quietly curious. collecting small thoughts here.



I saw this question in a technical interview for a remote role paying $120k. I actually hesitated for a second. 😅 Let's test your Data Logic skills (No Googling!): You have a dataset of customer orders. Some customers appear multiple times. You need to find customers who bought Product A but NEVER bought Product B. Which SQL clause is non-negotiable here? A) GROUP BY B) HAVING C) LEFT JOIN / WHERE IS NULL D) INNER JOIN




gilaaa, 15 ribu likes 😭😭. aku aman kok, gak ditambahin kerjaan tapi disuruh ngajarin pivot aja hari ini 🙏. kalo di excel, ALT adalah kunci. Tinggal pencet ALT, nanti ada begini begini tapi gak langsung jago ya, harus banyak banyak pake excel 😭🙏


























