诸如oracle和MySQL等数据库系统管理它们自己的用户帐户、角色和系统及对象级别的操作权限。
Database systems, such as Oracle and MySQL, manage their own user accounts, roles, and privileges for system and object-level operations.
其次，根据各部门之间操作流程和数据流程及所提出的要求，本文分别进行了系统管理、计划管理、预算管理、工程管理、物资管理、财务管理、统计管理等模块开发。
Secondly, the management module of system, scheme, budget, project, material, finance and statistic were developed according to the flow of operation and data and requirement of every department.
我学过的专业课程包括：计算机科学、系统设计及分析、操作系统、系统管理、PASCAL编程、COBOL编程和D - BASE编程。
The specialized courses I completed include computer science, system design and analysis, operation systems, systems management, PASCAL programming, COBOL programming and D-BASE programming.
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