理学 数据库安全 释 database security 数据库安全 保护数据库信息的保密性、完整性、一致性和可用性免受非法入侵、恶意修改、偷窃和未经授权的披露。 理学 数据库系统 释 database security 数据安全性 数据库安全性是指采用一系列信息安全技术来保护数据库，以保障其机密性，完整性，以及可用性。
数据库 数据库管理系统及其实现技术 释文 database security 数据库安全
- frequency capture
- frequency centre
- frequency characteristic
- frequency characteristic of sound pressure
- frequency chart
- frequency chirp
- frequency coding
- frequency collapse
- frequency comparision
- frequency compensation
- frequency conversion
- frequency conversion circuit
- frequency conversion technique
- frequency conversion transformation of fan and water pump
- frequency converter
- frequency counter
- frequency criterion
- frequency curve
- frequency cutoff
- frequency dependence selection
- frequency-dependent conductivity
- frequency deviation
- frequency diagram
- frequency dictionary
- frequency difference splitting technique