Develop essential data science & ai skills with expert instruction and practical examples.
Are you interested in becoming a Data Analyst. Do you want to gain practical skills and solve real-world business problems using SQL. Then this is the perfect course for you.
Created by a Senior Data Analyst with extensive experience in the Insurance and Health Care sectors, this course will equip you with foundational knowledge and help you master key SQL functions and techniques for data analysis. I will guide you step-by-step into the world of SQL for data analysis. With every lecture and lab exercise, you will develop a comprehensive understanding of these concepts to tackle real data problems.
This course is designed to be engaging and practical, with a logical flow through essential modules:Module 1: Creating and Managing DatabasesLearn how to create and drop databases, manage tables, load data into tables, and verify data integrity. Module 2: SELECT StatementsMaster basic SELECT queries, filter data with WHERE clauses, sort results with ORDER BY, and handle NULL values. Module 3: Joins - INNER, LEFT/RIGHT, CROSS, etc.
Understand and apply different types of joins: INNER, LEFT, RIGHT and CROSS joins to combine data from multiple tables. Module 4: Set OperatorsUtilize set operators like UNION, UNION ALL, INTERSECT, and EXCEPT to combine results from multiple queries. Module 5: Functions and AggregationsLearn and apply aggregate functions SUM, AVG, COUNT, and perform grouping of data with GROUP BY and HAVING clauses.
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