英语词汇“integrity constraint”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	integrity constraint
释义	integrity constraint integrity constraint (database)A constraint (rule) that must remain true for adatabase to preserve integrity. Integrity constraints arespecified at database creation time and enforced by thedatabase management system. Examples from a genealogical database would be that everyindividual must be their parent's child or that they can haveno more than two natural parents.
随便看	velocity/positioning recording system velocity position reference system velocity potential velocity prediction rating system velocity pressure velocity profile velocity profile inversion velocity profiles velocity ratio velocity reference frames velocity relative velocity resonance velocity root mean square velocity sedimentation under unit gravity velocity servomechanism velocity shaped canceler velocity spectrograph velocity stabilization velocity synthetic aperture radar velocity systems franchising corporation velocity template language velocity to be gained velocity-to-go velocity track velocity-type flowmeter

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。