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VisualAge for Java Version 3: Persistence Builder with GUIs, Servlets, and Java Server Pages
book

VisualAge for Java Version 3: Persistence Builder with GUIs, Servlets, and Java Server Pages

by Ueli Wahli, Greg Behrend, Daniel Peter
March 2000
Beginner to intermediate content levelBeginner to intermediate
472 pages
11h 17m
English
IBM Redbooks
Content preview from VisualAge for Java Version 3: Persistence Builder with GUIs, Servlets, and Java Server Pages
212 VisualAge for Java Version 3: Persistence Builder with GUIs, Servlets, and JSPs
Composers
Certain situations might arise where one attribute of a class must be mapped
to more than one column of table in a database. To accommodate this
situation, the Persistence Builder supports the notion of a composer.
Consider the Customer example again. Our database table has three columns
for a customer name: title, firstName, and lastName. In its present state, the
Customer class has three attributes: title, firstName, and lastName. Instead
we would like to have only one attribute for a greeting in the Customer class.
To map this greeting to the columns in
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Publisher Resources

ISBN: 0738415820Purchase bookAdditional Material