Creating a Data Warehouse Through Joins and Unions Reviews

Jiahui X. · Reviewed about 6 years ago

Zihan S. · Reviewed about 6 years ago

Chuning C. · Reviewed about 6 years ago

SAFE_DIVIDE and TABLE_SUFFIX great feature

Duncan R. · Reviewed about 6 years ago

Shiqi S. · Reviewed about 6 years ago

全体的に、不親切な点や誤りな点が目立つ かつ、データウェアハウスを構築するのに、APIの使用が含まれるの意図が理解できない。（本筋とは全く無関係で不要） APIを使用して出た結果が課題の選択肢にない group by しているの項目でdistinctしてるのが謎 テーブルに入れるのにソートしてから入れるのはおかしい （普通は取り出すときに、ソートして取り出すので。ソート条件未指定でのソート順は保証されない） すべてのproductSKUを含めるのか、注文があったもののみ含めるのか条件があいまい

裕一 松. · Reviewed about 6 years ago

Shamika K. · Reviewed about 6 years ago

Ee Na T. · Reviewed about 6 years ago

Karthik A. · Reviewed about 6 years ago

Jordan G. · Reviewed about 6 years ago

Jiazheng L. · Reviewed about 6 years ago

Yuting G. · Reviewed about 6 years ago

Scott M. · Reviewed about 6 years ago

Solid

Chiebuka O. · Reviewed about 6 years ago

Anyi H. · Reviewed about 6 years ago

Jingjing L. · Reviewed about 6 years ago

Peter M. · Reviewed about 6 years ago

Lauren P. · Reviewed about 6 years ago

Elen B. · Reviewed about 6 years ago

Jun Hong C. · Reviewed about 6 years ago

Sang Kyeong K. · Reviewed about 6 years ago

Xiang Z. · Reviewed about 6 years ago

Mingwei L. · Reviewed about 6 years ago

Leah F. · Reviewed about 6 years ago

Sian Khon T. · Reviewed about 6 years ago