SQL Skills Every Data Analyst Should Learn Before Applying for Jobs
SQL Skills Every Data Analyst Should Learn Before Applying for Jobs
Why SQL Remains One of the Most Important Data Analytics Skills
Over the years, while interacting with students, graduates, and work
ccubecomputer.hashnode.dev4 min read
Alessandro Pieraccini
I agree, but I would add that the hardest part of SQL is rarely the syntax itself. More often, it is understanding grain, cardinality, and join explosion. Many junior analysts know how to use JOIN and GROUP BY, yet still produce incorrect KPIs due to silent row duplication.