Road to Data Analyst Day #1: Learn Structured Query Language (SQL)
SQL Commands: Understanding the fundamental commands of SQL lays a solid foundation for manipulating and retrieving data from databases.
SQL Basics: Grasping the essential concepts and syntax of SQL allows for efficient querying and manipulation of data.
SQL Joins: Exploring different types of joins — such as inner joins, outer joins, self-joins, and cross-joins — enables the merging of data from multiple tables to derive meaningful insights.
SQL Unions, Intersect, Except Familiarizing with set operations allows one to combine and compare data from different queries or tables effectively.
SQL Temp Tables, View Tables, CTE: Learn about temporary tables, view tables, and common table expressions (CTEs) used in managing and organizing data for complex analysis tasks.
SQL Ranks: Ranking functions are used to sort and rank data based on specific criteria, and uncover valuable patterns and trends.
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Learning SQL is a must for every data Analyst, programmer and data scientist