<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:RDBSchema="RDBSchema.xmi">   <RDBSchema:RDBDatabase xmi:id="RDBDatabase_1" name="TopDownDB" tableGroup="RDBTable_1 RDBTable_2">      <dataTypeSet href="UDBV7_Primitives.xmi#SQLPrimitives_1"/>   </RDBSchema:RDBDatabase>   <RDBSchema:RDBTable xmi:id="RDBTable_Detail" name="" primaryKey="Detail_PRIMARYKEY" database="RDBDatabase_1">      <namedGroup xmi:type="RDBSchema:SQLReference" xmi:id="Detail_PRIMARYKEY" members="------RDBColumn_1" table="RDBTable_Detail" constraint="Constraint_Detail_"/>      <columns xmi:id="Detail_resDeId" name="resDeId">      </columns>      <columns xmi:id="Detail_resNum" name="resNum">      </columns>      <columns xmi:id="Detail_resStaff" name="resStaff">      </columns>      <columns xmi:id="Detail_beginDate" name="beginDate">      </columns>      <columns xmi:id="Detail_resTask" name="resTask">      </columns>      <columns xmi:id="Detail_responsible" name="responsible">      </columns>      <columns xmi:id="Detail_resMoney" name="resMoney">      </columns>      <columns xmi:id="Detail_resSpeed" name="resSpeed">      </columns>      <columns xmi:id="Detail_updateTime" name="updateTime">      </columns>      <columns xmi:id="Detail_isOver" name="isOver">      </columns>   </RDBSchema:RDBTable>   <RDBSchema:RDBTable xmi:id="RDBTable_Cate" name="" primaryKey="Cate_PRIMARYKEY" database="RDBDatabase_1">      <namedGroup xmi:type="RDBSchema:SQLReference" xmi:id="Cate_PRIMARYKEY" members="------RDBColumn_1" table="RDBTable_Cate" constraint="Constraint_Cate_"/>      <columns xmi:id="Cate_categoryId" name="categoryId">      </columns>      <columns xmi:id="Cate_categoryName" name="categoryName">      </columns>   </RDBSchema:RDBTable>   <RDBSchema:RDBTable xmi:id="RDBTable_Admin" name="" primaryKey="Admin_PRIMARYKEY" database="RDBDatabase_1">      <namedGroup xmi:type="RDBSchema:SQLReference" xmi:id="Admin_PRIMARYKEY" members="------RDBColumn_1" table="RDBTable_Admin" constraint="Constraint_Admin_"/>      <columns xmi:id="Admin_adminId" name="adminId">      </columns>      <columns xmi:id="Admin_adminName" name="adminName">      </columns>      <columns xmi:id="Admin_adminPass" name="adminPass">      </columns>      <columns xmi:id="Admin_adminLevel" name="adminLevel">      </columns>   </RDBSchema:RDBTable>   <RDBSchema:RDBTable xmi:id="RDBTable_Teacher" name="" primaryKey="Teacher_PRIMARYKEY" database="RDBDatabase_1">      <namedGroup xmi:type="RDBSchema:SQLReference" xmi:id="Teacher_PRIMARYKEY" members="------RDBColumn_1" table="RDBTable_Teacher" constraint="Constraint_Teacher_"/>      <columns xmi:id="Teacher_userId" name="userId">      </columns>      <columns xmi:id="Teacher_userName" name="userName">      </columns>      <columns xmi:id="Teacher_userPass" name="userPass">      </columns>      <columns xmi:id="Teacher_registerDate" name="registerDate">      </columns>   </RDBSchema:RDBTable>   <RDBSchema:RDBTable xmi:id="RDBTable_UserDetail" name="" primaryKey="UserDetail_PRIMARYKEY" database="RDBDatabase_1">      <namedGroup xmi:type="RDBSchema:SQLReference" xmi:id="UserDetail_PRIMARYKEY" members="------RDBColumn_1" table="RDBTable_UserDetail" constraint="Constraint_UserDetail_"/>      <columns xmi:id="UserDetail_userId" name="userId">      </columns>      <columns xmi:id="UserDetail_name" name="name">      </columns>      <columns xmi:id="UserDetail_birth" name="birth">      </columns>      <columns xmi:id="UserDetail_sex" name="sex">      </columns>      <columns xmi:id="UserDetail_email" name="email">      </columns>      <columns xmi:id="UserDetail_question" name="question">      </columns>      <columns xmi:id="UserDetail_answer" name="answer">      </columns>   </RDBSchema:RDBTable></xmi:XMI>