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Topics covered:

Subqueries, Advantage and disadvantage,
Concept of key field,
Define joins and types of joins
Aliases and pre-qualifers
Modify strings (Concatenating, trimming, changing case and using the substring function
Date and time strings
Use case statements
Data governance and profiling
Fundamental principles when using SQL in Data Science
Tips and tricks to apply SQL in Data Science context
SQL problem solving and Case study- AB testing

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