【发布时间】：2019-01-07 10:09:28
【问题描述】：
这是我的 hibernate.cfg.xml 文件，hbm2ddl.auto 属性设置为更新，如果我的数据库中不存在表，则它不会创建表。hbm2ddl.auto 创建工作正常。
50
<property name="hibernate.connection.driver_class">oracle.jdbc.OracleDriver</property>
<property name="hibernate.connection.url">jdbc:oracle:thin:@localhost:1521:orcl</property>
<property name="hibernate.connection.username">root</property> <property
name="hibernate.connection.password">root</property> <property name="hibernate.connection.pool_size">1</property>
<property name="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</property>
<property name="hibernate.c3p0.min_size">3</property>
<property name="hibernate.c3p0.max_size">3</property>
<property name="hibernate.c3p0.max_statements">50</property>
<property name="connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>
<property name="hibernate.c3p0.timeout">1800</property>
<property name="hibernate.c3p0.acquireRetryDelay">1000</property>
<property name="hibernate.c3p0.acquireRetryAttempts">60</property>
<property name="hibernate.c3p0.acquire_increment">3</property>
<property name="hibernate.c3p0.idle_test_period">14400</property>
<property name="hibernate.c3p0.preferredTestQuery">select 1</property>
<property name="cache.use_second_level_cache">false</property>
<property name="cache.provider_class">org.hibernate.cache.EhCacheProvider</property>
<property name="hibernate.cache.region.factory_class">net.sf.ehcache.hibernate.SingletonEhCacheRegionFactory</property>
<property name="hibernate.cache.use_query_cache">false</property>
<property name="current_session_context_class">thread</property>
<property name="show_sql">true</property>
<property name="hibernate.hbm2ddl.auto">update</property>
<mapping resource="STUDENT.hbm.xml" />
</session-factory>
</hibernate-configuration>
【问题讨论】：
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你使用的是哪个版本的休眠？