文档面向的读者对象
数据库开发指南重点面向数据库的设计者、应用程序开发人员或DBA，提供设计、构建、查询和维护数据仓库所需的信息。
作为数据库管理员和应用程序开发人员，至少需要了解以下知识：
- 操作系统知识。这是一切的基础。
- SQL语法。这是操作数据库的必备能力。
声明
GaussDB(DWS)的作者们在进行文档写作时努力基于商用角度，从使用场景和任务完成角度给出内容指引。即使这样，文档中依然可能存在对Postgres内容的引用和参考。对于这类内容，遵从如下的Postgres Copyright：
Postgres-XC is Copyright © 1996-2013 by the PostgreSQL Global Development Group.
PostgreSQL is Copyright © 1996-2013 by the PostgreSQL Global Development Group.
Postgres95 is Copyright © 1994-5 by the Regents of the University of California.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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