hibernate configuration files

By: ashish* On:** Sun Jul 17 14:38:16 IST 2016 0 0 0	0

<hibernate-configuration> <session-factory> <property name="hbm2ddl.auto">update</property> ------- Please Explain <property name="dialect">org.hibernate.dialect.Oracle9Dialect</property> ------- Please explain <property name="connection.url">jdbc:oracle:thin:@localhost:1521:xe</property> <property name="connection.username">system</property> <property name="connection.password">oracle</property> <property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property> <mapping resource="employee.hbm.xml"/> </session-factory> </hibernate-configuration> what is the first property used for "hbm2ddl.auto". Is this like update query in SQL. Do I need to have records in the table??Please explain.	0

hbm2ddl.auto is automatically validates and exports DDL to schema when the sessionFactory is created. By default, It is not doing any creation or modification automatically on db. If user sets below values then it is doing DDL schema changes automatically. create - doing creating schema update - updating existing schema validate - validate existing schema create-drop - create and drop the schema automatically when session is starts and ends.	0

By: [email protected] On: Tue Jul 19 19:02:04 IST 2016 0 0 0	0
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