主讲C语言程序设计，数据库理论，操作系统和数据结构。
Taught C programming language, database, operating systems and data structure.
事务是现代数据库理论中的核心概念之一，并发控制是事务管理的主要组成部分。
Transaction is one of the core concepts in modern database theory, and concurrency control technology is the major component of transaction management.
随着信息技术在国土资源部门的广泛应用，空间数据库理论、技术和实践日臻成熟。
As the application of information technology enlarges its scope in the fields of land and mineral resources, the theory, technology and practice of spatial database concept become very complete.
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