Hibernate perguntas e respostas de entrevista
Question: How do you map Java Objects with Database tables?Answer: * First we need to write Java domain objects (beans with setter and getter). The variables should be same as database columns.* Write hbm.xml, where we map java class to table and database columns to Java class variables. Example : <hibernate-mapping> <class name="com.test.User" table="user"> <property column="USER_NAME" length="255″ name="userName"; not-null="true" type="java.lang.String"/> <property column="USER_PASSWORD" length="255″ name="userPassword" not-null="true" type="java.lang.String"/> </class> </hibernate-mapping> |
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