hibernate不能访问时,schema问题

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<?xml version="1.0" encoding="utf-8"?>

<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<!--?

? ? Mapping file autogenerated by MyEclipse Persistence Tools

-->

<hibernate-mapping>

? ? <class name="com.bc.bean.InformationParentSheet" table="INFORMATION_PARENT_SHEET" schema="ORACLE">

? ? ? ? <id name="ipId" type="java.lang.Long">

? ? ? ? ? ? <column name="IP_ID" precision="6" scale="0" />

? ? ? ? ? ? <generator type="java.lang.String">

? ? ? ? ? ? <column name="IP_NAME" length="10" not-null="true" unique="true" />

? ? ? ? </property>

? ? ? ? <property name="ipRemark" type="java.lang.String">

? ? ? ? ? ? <column name="IP_REMARK" length="500" />

? ? ? ? </property>

? ? ? ? <set name="informationSheets" inverse="true" ?lazy="true">

? ? ? ? ? ? <key>

? ? ? ? ? ? ? ? <column name="IF_PID" precision="6" scale="0" not-null="true" />

? ? ? ? ? ? </key>

? ? ? ? ? ? <one-to-many />

? ? ? ? </set>

?

? ? </class>

</hibernate-mapping>