java 数据库 功能强大 效率高 SmallSQL Database is a free DBMS library for the Java(tm) platform. It runs on the Java 2 Platform (JDK 1.4 or later) and implements the JDBC 3.0 API. SmallSQL Database is licensed under the terms of the GNU Lesser General

用JAVA实现了,将DB装入内存,内存由DBMS控制,实现简单数据库的创建、数据表的创建、记录插入、查询以及表的删除。