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０前言随着我国改革开放的不断深入，现代科学技术的迅猛发展，计算机技术已被广泛地应用于煤炭生产、生活中。其中数据库管理系统作为计算机系统中一个专门管理数据的软件，更是被煤炭行业各个部门所广泛使用，用以替代繁杂的手工劳动、提高生产及工作效率。１系统概况传...
0 Preface With the deepening of China’s reform and opening up, the rapid development of modern science and technology, computer technology has been widely used in coal production and life. Among them, the database management system, as a specialized software for managing data in a computer system, is widely used by various departments in the coal industry to replace complicated manual work and improve production and work efficiency. 1 system profile ...