intro of iBatis

iBatis is
one of opensource o/r mapping tool
one of apache project
three versions; java, .net and ruby.

o/r mapping is
the mapping tool of object model and relationalDataModel.

if no orm,
you have to mapping by yourself when you get the resultset.

if using orm,
you can make the mapping info separated as a outer setting file.

differences b/w ibatis and hibernate
ibatis:
set SQL in a XML file.
a completely bottom-up approach.
easy to study.
hibernate:
a fw focused on the perpetuation of object model.
access to DB w/o SQL.
basically to-down approach.
little bit hard to study.


overview
parameterObject(input of sql): ex. javabean, xml
|
sql map: ex. sql setting file ―access to DB.
|
resultObject(a output): ex. javabean, xml

2007-10-11 05:07 : __orm__ibatis : コメント : 0 : トラックバック : 0 :
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