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https://github.com/filsan95/course-sql_fundamentals_for_data_analysis

This course serves as an introduction to Structured Query Language (SQL) for the aspiring data analyst, focusing on fundamental concepts and practical applications. The course incorporates interactive video lectures, as well as weekly course exercises to reinforce learning.
https://github.com/filsan95/course-sql_fundamentals_for_data_analysis

chinook-database database relational-databases sql sqlite

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This course serves as an introduction to Structured Query Language (SQL) for the aspiring data analyst, focusing on fundamental concepts and practical applications. The course incorporates interactive video lectures, as well as weekly course exercises to reinforce learning.

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README 

        




 Course Title: SQL Fundamentals for Data Analysis 



 Instructor(s): Filsan Musa, and Fadumo Diriye 



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 Course Description: 



 This course serves as an introduction to Structured Query Language (SQL) for the aspiring data analyst, focusing on fundamental concepts and practical applications. The course is divided into two parts: the first part provides a foundational understanding of RDBMS, SQL, and access to databases, while the second part introduces applications of the SELECT statement, various functions, clauses, and operators. The course incorporates interactive video lectures, as well as weekly course exercises to reinforce learning. 



 Prerequisites: 



There are no required prerequisites for this course.



 Course Format: 



  • 

     Platform: YouTube 
    • 


  • 

     Duration: < 15 minutes 
    • 


     Course Content:
    


      

       1.  Week 1: Introduction to the course 

         a. Overview of material 
      

    


      

       2.  Week 2: What is SQL? 

         a. What is a database? 
      

         b. What is a RDBMS? 
      

         c. Define SQL 
      

         d. What is an SQL flavour? Are there differences between different SQL flavours? 
      

    

     

      

       3.  Week 3: Getting Started with SQL 

         a. Register for SQLite Online 
      

         b. Setting up the database 
      

         c. Introducing the Chinook database 
      

    


      

       4.  Week 4: What is in a SQL table? 

         a. Tabular data storage 
      

         b. Primary key 
      

         c. Foreign key 
      

    


      

       5.  Week 5: Understand SQL commands and components 

         a. Types of SQL commands 
      

         b. Components of a query
      

    


      

       6.  Week 6: What are the SQL data types? 

         a. Understanding the data types 
      

           i. Boolean 
      

           ii. Numeric 
      

           iii. String 
      

       
           iv. Datetime 
      

         b. Identifying the data type of a column, or in a table 
      

    


      

       7. Week 7: Constructing a Select Statement 

         a. Selecting from a table
      

         b. Selecting one, multiple, or all columns 
      

         c. Selecting distinct values from a column 
      

         d. Using aliases 
      

    


      

       8.  Week 8: Basic Aggregation Functions  

         a. Count 
      

         b. Sum 
      

         c. Avg 
      

         d. Min 
      

         e. Max 
      

    


      

       9.  Week 9: Basic Formatting Functions, and Keywords  

         a. String Functions 
      

           i. Lower() 
      

           ii. Upper() 
      

         b. Numeric Functions 
      

           i. Floor() 
      

           ii. Round() 
      

         c. Datetime Functions 
      

           i. Time(), Day(), Month(), Year()
      

           ii. Timestamp(), Date()
      

           iii. Current_Timestamp, Current_Time, etc.
      

    


      

       10.  Week 10: Limit, Order By, Group By 

         a. Limit 
      

         b. Order By 
      

           i. Asc 
      

           ii. Desc 
      

         c. Group By  
      

    


      

       11.  Week 11: Where & Having Clauses 

         a. Where 
      

         b. Having 
      

    


      

       12.  Week 10: Logical & Comparison Operators 

         a. And / Or  / Between / In 
      

         b. Not / Is (Not) Null 
      

         c. Like 
      

         d. Greater (Than) / Less (Than) 
      

         e. Equality / Inequality 
      

    


      

       13.  Week 13: Arithmetic Operators 

         a. Addition 
      

         b. Subtraction 
      

         c. Product 
      

         d. Division 
      

         e. Modulo 
      

    


      

       14.  Week 14: Use cases for the Case When statement 

         a. Using case when w/ logical & comparison operators
      

         b. Using case when w/ arithmetic operators
      

    


      

       15.  Week 15: Introduction to Joins 

         a. Left Join 
      

         b. Right Join 
      

         c. Inner Join 
      

         d. Outer Join 
      

    


      

       16.  Week 16: How to properly structure a Query 

         a. Query Order 
      

         b. Query Format 
      

         c. Variable naming conventions 
      

         d. Common Errors & Debugging 
      

         e. Reference a Database 
      

    



    


     Course Material: 

     https://github.com/filsan95/Course-SQL_Fundamentals_for_Data_Analysis 
    


     Resources (Optional): 

     Oppel, A., & Sheldon, R. (2009). SQL A Beginner's Guide (3rd ed.). McGraw Hill. Retrieved from  SQL: A Beginner's Guide 
    

     W3Schools. (n.d.). SQL Tutorial. Retrieved from  W3Schools SQL Tutorial 
    


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     Copyright ©: 
    

    The contents of this repository are licensed under the CC0 1.0 Universal. Please view the "LICENSE" file for further details.