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Discussion on "SQL Skills Every Data Analyst Should Learn Before Applying for Jobs" | Hashnode

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C-Cube Centre of Computer Education

Jun 11

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

#sql #data-analytics #data-analyst #career-development #databases #analytics #chaicode #chaiaurcode

Responses(2)

Alessandro Pieraccini

Jun 14

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.

C-Cube Centre of Computer Education

Jun 15

Absolutely agree. SQL syntax is often the easier part to learn. Understanding data grain, cardinality, and how joins can unintentionally duplicate rows is where many beginners struggle. It's one of the reasons I encourage learners to work with real datasets and business scenarios rather than focusing only on query writing. Thanks for highlighting this important point.