How Much SQL Is Enough to Crack Your Dream Job ?

✅If you are seeking to make a career in Data Analytics/Business Analytics, learning SQL is the most important.

SQL Topics to Learn for Data Analyst/Business Analyst Roles
1. Basic:
* SELECT statements
* WHERE clause
* JOINS (INNER, LEFT, RIGHT, FULL)
* GROUP BY and HAVING
* ORDER BY
* Basic Aggregate Functions (COUNT, SUM, AVG, MIN, MAX)

2. Intermediate:
* Subqueries
* CASE statements
* UNION and UNION ALL
* Common Table Expressions (CTEs)
* Window Functions (ROW_NUMBER, RANK, DENSE_RANK, OVER)
* Data Manipulation (INSERT, UPDATE, DELETE)
* Indexes and Pertormance Tuning

3. Advanced:
* Advanced Window Functions (LEAD, NTILE)
* Complex Subqueries and Correlated Subqueries

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aengineer #businessanalyst

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