Learning Objectives

You can explain why files are important in computer science.


You know how to read, convert, and save data from a text file.


You know some important features of online databases and can install your own database server.


You are aware that nowadays a huge amount of information is stored electronically in online databases and social networks.


You can generate tables using SQL on a database server and create, read, and modify data sets.


You are on track to being able to set up and manage a simple online reservation system.


You know how catching exceptions works and why it is an important principle.





Anyone who processes personal data must make certain that it is correct. He must take all reasonable measures to ensure that data that is incorrect or incomplete in view of the purpose of its collection is either corrected or destroyed. Any data subject may request that incorrect data be corrected.


Switzerland. Federal Law on Data Protection, Article 5