object'S.There
are
many
waystopersistdatainrecentyears,suchasfile
system,objectorienteddatabase
system
istheofthe
(OODBS),relationdatabasemanagementsystem(R.DBMS),ete.BecausetheRDBMS
mostmaturedatapersistentmechanism,ithasbeenusedin
a
plumping
majority
as
ManagementInformation
data
Systems.Generallyspeaking,applications
manipulatethe
usingthe
RDBMS
persistencemechanism
RDBMS
byJDBC
on
thelogiclayer,itmakesthe
manipulationofthe
object
andRDBMSmixedtogether,lowerthemaintainabilityofthe
system.
By
analyzing
fivedatapersistencemethodsathome
and
abr
oad,suchas
JDBC,ORM,a
coarse'grainedcomponentRDBMS'Scommon
basedJDBChasbeendesigned,itnotonlyprovidesinterfacesfor
operation,butfeaturessuchas
transactionmanagement
andcallingto
can
storedprocedures,whichare
independent
withbusiness
logic.The
component
core
beused
separatelytodothedatapersistencelayerDAO,to
design,or
withtheJ2EE
modes,forexample
make
the
pensistenceobject
oriented.Ithas
been
appliedto
design
thedata
persistencelayerinprove
project
of'UndergraduateStudents'Thesises
ManagementSystem''to
improvedthe