Example Student Apprenticeship - Apprenticeship
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Example Student Apprenticeship
City of Residence
Apprenticeship
Generate Expressions
Adding Constraints
Transform to relational
Generating DDL
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We add two more another expressions:

"Apprenticeship S101 is available."
"Apprenticeship S101 takes place in New York."

The first expression has a simple classification the for text 'S101' as an apprenticeship number which makes a fairly straight forward expression. The second expression trees will then look like this:


 


We now add three more expressions, displayed below with their corresponding expression tree:

"Apprenticeship S101 concerns the development of a magazine information system."



 

"Student Peter Johnson has as preference no. 1 apprenticeship S101."



 

"To student Peter Johnson apprenticeship S101 is assigned."



If we now assemble a diagram from all the object-, fact- and label-types (including all detail information available) we will get the following picture:

 




 

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