This project attempts to implement a Database using B+Tree. The project has developed a DATABASE SYSTEM with lesser memory consumption. Its API includes simple SQL Statements and the output is displayed on the screen. Certain applications for which s

1． 了解备份设备的概念并掌握如何管理备份数据库保护包括数据库恢复，并发控制，数据库的安全性控制4个部分设备，掌握完全备份和还原的基本技术-1. Backup equipment understand and grasp the concept of how to manage database backup protection, including database recovery, concurrency control, database security control of fou

介绍了一种基于数据多映像的并发控制协议，从而大大提高事物执行的并发度，更好的满足实时事物的截止期。-Introduced a multi-image based on data concurrency control protocol, thus greatly improving the implementation of the concurrency of things, better things to meet the real-time deadline.