Course Overview
Together with your trainer you will work out the basics, implementations and applications of relational database techniques and DWH structures
Who should attend
DB users who want to get into database creation. Users who want to optimize their queries. People who want to understand and evaluate databases.
Prerequisites
Good SQL knowledge as in the course SQL Standard Intensive Training
Course Objectives
You can understand database designs, query correctly and efficiently (with the appropriate SQL knowledge). You can design and create simpler databases.
Course Content
Motivation
Basic terms and DB concepts
Data dictionary and meta databases
Data integrity
- Data consistency
- Data protection
- Data security
- Transactions
Overview: models
- Hierarchical model
- Network model
- Relational model
- Object-oriented models
Normalize
- From the 1st to the 3rd normal form
- BCNF, 4th, 5th normal form
Overview: Design Methods
- Objectives, principles of design methods
- Method according to Zehnder
- ERD from Chen
The Entity Relationship Diagram (ERD)
- Formation of entity sets and relationships between entity sets
- Normalizing an ERD and mapping the ERD to data structures
- Identification keys, foreign keys, global and local attributes
Definition of consistency conditions
- Inherent, external consistency conditions
- Classes of consistency conditions
Reproduction of transactions
Outlook, trend of DBMS and trends
- Distributed database structures
- Graph databases (NoSQL)
- Document databases (NoSQL)
- Typical cloud data structures
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Germany
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