关系数据库设计中数据字典设计例子

[{"title":"（ 17 个子文件 482KB ） 关系数据库设计中数据字典设计例子","children":[{"title":"数据字典","children":[{"title":"数据元素(数据项)","children":[{"title":"财务数据元素.xls <span style='color:#111;'> 63.50KB </span>","children":null,"spread":false},{"title":"库存数据元素.xls <span style='color:#111;'> 47.50KB </span>","children":null,"spread":false},{"title":"销售外联数据元素.xls <span style='color:#111;'> 76.50KB </span>","children":null,"spread":false},{"title":"采购数据元素.xls <span style='color:#111;'> 51.50KB </span>","children":null,"spread":false}],"spread":true},{"title":"Desktop_.ini <span style='color:#111;'> 9B </span>","children":null,"spread":false},{"title":"卡片.doc <span style='color:#111;'> 28.50KB </span>","children":null,"spread":false},{"title":"数据流","children":[{"title":"库存数据流.doc <span style='color:#111;'> 4.01MB </span>","children":null,"spread":false},{"title":"财务数据流.xls <span style='color:#111;'> 58.00KB </span>","children":null,"spread":false},{"title":"Desktop_.ini <span style='color:#111;'> 9B </span>","children":null,"spread":false},{"title":"采购数据流.xls <span style='color:#111;'> 61.00KB </span>","children":null,"spread":false},{"title":"销售外联数据流.xls <span style='color:#111;'> 133.00KB </span>","children":null,"spread":false}],"spread":true},{"title":"决策树.doc <span style='color:#111;'> 265.50KB </span>","children":null,"spread":false},{"title":"处理逻辑.xls <span style='color:#111;'> 119.50KB </span>","children":null,"spread":false},{"title":"外部实体.xls <span style='color:#111;'> 23.00KB </span>","children":null,"spread":false},{"title":"数据存储.xls <span style='color:#111;'> 54.50KB </span>","children":null,"spread":false},{"title":"数据结构.xls <span style='color:#111;'> 20.50KB </span>","children":null,"spread":false}],"spread":true},{"title":"数据流程图.doc <span style='color:#111;'> 1008.00KB </span>","children":null,"spread":false}],"spread":true}]