Amney Mounir

Real life data is messy, and never perfect 😱

You’ll deal with missing values, weird outliers, and no clear patterns.

To make sense of it, you need to know how to clean, filter, and analyze.

That’s where having a strong grasp of SQL, Python, and stats is important.

If you want to get better at this, here are some resources I recommend:

📕 SQL: https://lnkd.in/eDMic4tR
📗 Stats: https://lnkd.in/eAudgp68
📘 Python: https://lnkd.in/e_7BaKeC

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SQL is a muscle that you need to practice regularly.

Here a few topics that you need to know:
↳ Basic Queries (SELECT, WHERE)
↳ Aggregations (COUNT, AVG, MIN, MAX)
↳ Grouping (GROUP BY, HAVING)
↳ Subqueries & CTEs
↳ Joins (LEFT, SELF, CROSS)
↳ Ranking Functions (ROW_NUMBER, RANK, DENSE_RANK)
↳ String Functions (CONCATENATE, LENGTH, SUBSTRING)
↳ Date Functions (CURRENT_DATE, INTERVAL)

Get your hands dirty with these resources:
📘 SQL Free Workshop: https://lnkd.in/eNQnyJ6K
📙 SQL Interview Questions: https://lnkd.in/eHEb4u3P
📕 SQL Course Advanced: https://lnkd.in/eAwd6q9A

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