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Kursusbeskrivelse
Kursusnavn (dansk):Introduktion til databasedesign 
Kursusnavn (engelsk):Introduction to Database Design 
Semester:Efterår 2014 
Udbydes under:Bachelor i softwareudvikling (bswu) 
Omfang i ECTS:7,50 
Kursussprog:Engelsk 
Kursushjemmeside:https://learnit.itu.dk 
Min. antal deltagere:12 
Forventet antal deltagere:65 
Maks. antal deltagere:75 
Formelle forudsætninger:This course assumes basic ability to use a computer. We also assume that students have basic programming skills (e.g. in Java), or is taking an introductory programming course in parallel. This can be obtained by taking the course Grundlæggende programmering med projekt on the IT University B.Sc.-degree in Software Development.
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Information om studiestruktur
Dette kursus indgår på tredje semester på bacheloruddannelsen i softwareudvikling. 
Læringsmål:After the course the students should be able to:

  • * suggest a database design according to the relational model, and present it as an SQL schema, using the concepts key, type, and constraint.
    * define a database design by E-R modelling, using the concepts entity, attribute, key, cardinality, and relationship.
    *Analyze and improve database designs using normal form theory
    * write SQL queries, involving multiple relations, compound conditions, grouping, aggregation, and subqueries.
    * find functional dependencies in a relation and perform decomposition to eliminate unwanted dependencies.
    * decide if a given index is likely to improve performance for a given query.
    * identify possible problems in transaction handling, related to consistency, atomicity, and isolation.
    * Analyze/predict/improve efficiency of the designed database using indices
    * use SQL from other programming languages.
    * suggest a conceptual and physical design of an OLAP system. 
Fagligt indhold:The course gives an introduction to relational databases as well as an introduction to data analytics, both from a practical and theoretical point of view.

The main part of the course deals with relational databases, including theory and practice for modeling and quering a database. Towards the end of the course the focus will be on techniques for OLAP.

For relational databases the following topics will be covered:
• Programming in SQL, including all basic operations as well as some more advanced constructions (e.g. subqueries)
• Database design using E-R modelling
• Defining a database design using the relational model and SQL schemas
• Normalization of relations
• Use of different indexes, including hash indexes, B-tree indexes, non-clustered and clustered indexes
• Transaction handling
• Using SQL in applications, e.g. Java-applications
• Other basic concepts related to relational databases and SQL, such as triggers, views etc.

For data analytics the following topics will be covered:
• OLAP and data warehousing 
Læringsaktiviteter:12 forelæsninger og 12 øvelsesgange

The textbook, lectures and exam are in English. However, written work and the exam can be delivered by students in English or Danish. 

Obligatoriske aktivititer:
Eksamensform og -beskrivelse:X. experimental examination form (7-scale; external exam), 7-trins-skala, Ekstern prøve

There will be four homework assignments. Each will be graded.
There will be a final written exam.
The final grade is computed 15% for each homework + 40% final exam.

The duration of the written examination on premises is 4 hours with following restrictions:

Restrictions:
1. Physical copies of the book and other printed materials are permitted.
2. Ebooks on laptops, ipads, and other e book readers are permitted.
3. Cell phones are *not* permitted.
4. It will *not* be permitted that you access any other other information from the internet, including newsgroups, social media, email, facebook twitter, etc. or elsewhere that is not in book form.
 

Litteratur udover forskningsartikler:http://pages.cs.wisc.edu/~dbbook/