The lesson is to be followed in class, and the game given as homework.

Time estimation: 5 hours

Learning Objectives

• Explain the difference between a table, a record, and a field.
• Explain the difference between a database and a database manager.
• Write a query to select all values for specific fields from a single table.
• Write queries that display results in a particular order.
• Write queries that eliminate duplicate values from data.
• Write queries that select records that satisfy user-specified conditions.
• Explain the order in which the clauses in a query are executed.
• Write queries that calculate new values for each selected record.
• Explain how databases represent missing information.
• Explain the three-valued logic databases use when manipulating missing information.
• Write queries that handle missing information correctly.
• Explore SQL City and discover who committed the murder
• Reinforce your experiences with SQL such as querying, filtering, and joining data.

• e-learning

  Introduction to SQL

  

  • beginner

  Software engineering Foundations of Data Science SQL jupyter-notebook
• e-learning

  SQL Educational Game - Murder Mystery

  

  •• intermediate

  Software engineering Foundations of Data Science SQL game jupyter-notebook

Today we introduce complex operations like Joins.

Time estimation: 3 hours

Learning Objectives
- Define aggregation and give examples of its use.
- Write queries that compute aggregated values.
- Trace the execution of a query that performs aggregation.
- Explain how missing data is handled during aggregation.
- Explain the operation of a query that joins two tables.
- Explain how to restrict the output of a query containing a join to only include meaningful combinations of values.
- Write queries that join tables on equal keys.
- Explain what primary and foreign keys are, and why they are useful.
- Explain what an atomic value is.
- Distinguish between atomic and non-atomic values.
- Explain why every value in a database should be atomic.
- Explain what a primary key is and why every record should have one.
- Identify primary keys in database tables.
- Explain why database entries should not contain redundant information.
- Identify redundant information in databases.
- Write statements that create tables.
- Write statements to insert, modify, and delete records.
- Write short programs that execute SQL queries.
- Trace the execution of a program that contains an SQL query.
- Explain why most database applications are written in a general-purpose language rather than in SQL.

• e-learning

  Advanced SQL

  

  • beginner

  Software engineering Foundations of Data Science SQL jupyter-notebook

Based on which language you’re teaching alongside SQL, you can choose one of the following lessons which have the same content for different programming languages.

Time estimation: 1 hour 30 minutes

Learning Objectives

• Write short programs that execute SQL queries.
• Trace the execution of a program that contains an SQL query.
• Explain why most database applications are written in a general-purpose language rather than in SQL.
• Write short programs that execute SQL queries.
• Trace the execution of a program that contains an SQL query.
• Explain why most database applications are written in a general-purpose language rather than in SQL.

• e-learning

  SQL with R

  

  •• intermediate

  Software engineering Foundations of Data Science R SQL jupyter-notebook rmarkdown-notebook
• e-learning

  SQL with Python

  

  •• intermediate

  Software engineering Foundations of Data Science Python SQL jupyter-notebook

In the Avans course an external tool was used when discussing Schema design.