1. ER Example Create your own ER/Table structure diagram
DBMAN/Lab 1
ER Example
Create your own ER/Table structure diagram
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2. Programmers, Projects, Modules
Entities  ER Diagram  Relations  Fields or Entities  Fields  ER Diagram  Relations
Fields of Coders?
Fields of Modules?
Fields of Projects?
Relations
1 module  1 project, 1 project  several modules 1:N
1 coder  several modules, one module  several coders N:M  extra attributes for the relation?
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3. During the semester...
On the computers: MSSQL (2014 Express Edition, with Management Studio); Oracle (XE + 12c); MariaDB (from XAMPP)
PostgreSQL is not installed on the computers...
Presentations will sometimes list the TSQL/MySQL/Oracle dialects; you only have to know the TSQL dialect
We will use the Oracle demo tables
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4. Tables
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5. Tables (with city)
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6. Northwind
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8. Today’s task
Create database that can be used for demonstration of SQL commands
Choose a topic
Create ER diagram to plan the data (at least three inter-connected entities)
Create the table structure diagram
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