2016年11月16日
design the relations
摘要： Computer Science An Overview _J. Glenn Brookshear _11th Edition A pivotal step in designing a relational database is to design the relations makingup 阅读全文
posted @ 2016-11-16 13:30 papering 阅读(125) 评论(0) 推荐(0) 编辑
flat file
摘要： Computer Science An Overview _J. Glenn Brookshear _11th Edition The term database refers to a collection of data that is multidimensional in thesense 阅读全文
posted @ 2016-11-16 13:15 papering 阅读(234) 评论(0) 推荐(0) 编辑
changing a pointer rather than erasing memory cells
摘要： Computer Science An Overview _J. Glenn Brookshear _11th Edition In a data structure based on a pointer system, the deletion of an item usually consist 阅读全文
posted @ 2016-11-16 00:05 papering 阅读(210) 评论(0) 推荐(0) 编辑