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数据库系统概念全书第六版答案（覆盖全）。(The answer to the sixth edition of database system is the answer.)

这是我自己写的从数据库中读出数据，并显示，并构成不规则三角网的程序，可以在程序中添加约束线。(This is written in my own读出数据from the database and displays, and triangulated irregular network constitutes the procedure, you can add a constraint in the procedure line.)

数据库系统概念（第六版）教材答案，英文版。平时很多答案不完整，这里搜集了两份答案，互为补充，基本涵盖了所有题目。(The system concepts(6th) exercise answer.English version.There are two copies of answer,almost complete.)

出版商印刷数据库设计 初始条件： 一个印刷书的印刷公司希望建立数据库来处理用户的印刷需要。一本书的出版发行人员提交了一份描述印刷工作的单据，印刷工作需要的使用材料，由购买清单指定。 (Publishers print database design initial conditions: a printed book printing company hopes to establish a database to handle the user s printing needs. A book publishing and distribution staff submitted a description of the work of printing documents, printing requires the use of materials, from the purchase of the designated list.)

说明：  每组不超过4人，每人从TPC-H中选择至少三个查询进行执行，并进行性能调整。同组人员所选择的查询不能相同。各查询均必须包含：两个以上的表连接操作，其包含至少一个聚集函数。 每位同学的该作业均放在一个命名如“姓名-学号-专业-作业1”的目录中 用尽能想到的所有技术方法，使得选定的查询的某些性能指标尽可能的差 用尽能想到的所有技术方法，使得选定的查询的某些性能指标尽可能的好(Each group has no more than 4 people. Each person selects at least three queries from TPC-H to perform and performs performance adjustment. The queries selected by the same group can not be the same. Each query must contain more than two table join operations, which contain at least one aggregation function. Each student's homework is placed in a directory named "name student number professional operation 1". Using all the technical methods that can be thought of, make certain performance indicators of selected queries as poor as possible. Use all the technical methods that you can think of, and make certain performance indicators of selected queries as good as possible.)

满汉楼管理系统（包括数据库，源代码）

传奇无极数据库编辑器，可以代替DBC2000有着更快更全的数据库信息(Legend database editor)

说明：  mysql-connector 5.1.32版本。。。。。。。(mysql-connector-java-5.1.32.jar)

超市收银系统，基于MFC，数据库用的是Acceess2003,数据源用的ODBC(chaoshishouyin system)

我我大号是佛山ID酒叟覅偶的搜救富欧式的地搜佛寺丢分(jksdhkerhgoiprjkgjeoprjgp)