| Description | Based on a description, create a schema and write a series of well-performing queries. | 
        | Type | Hand-in assignment with oral explanation. | 
        | Duration | About 1 working day. | 
        | Progress points | 1.5 | 
            | Learning goals | 
                
                        - Use SQL select queries to read, search, write, update and delete records. 19%
 
                        - Write SQL queries involving joins. 10%
 
                        - Describe real-world objects using Entity Relationship Diagrams. 19%
 
                        - Use GROUP BY and aggregate functions to calculate statistics. 10%
 
                        - Use subqueries. 10%
 
                        - Create normalized database tables based on an Entity Relationship Diagram. 10%
 
                        - Use indexes to enhance query performance. 10%
 
                        - Use foreign keys to guarantee data consistency. 10%
 
                        - Use views to simplify complicated database queries. 5%
 
                 
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            | Status | 
            
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 Blocking
 
             
                
                
                
                    
                 
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