Oracle 在启动的时候指定SGA使用多少虚拟内存，并且在运行时允许实例通过调整buffer cache， shared pool， large pool和PGA的大小动态的调整SGA。-Oracle boot time designated SGA amount of virtual memory, and at runtime allowing example by adjusting the buffer cache, shared pool, large pool and the si

有关某表空间大小为多少,已使用多少.用两个脚本比较方便-the size of a table space for the number, the number has been used. Using two scr ipts more convenient

一个数据库连接池，能捕获close方法，初始的时候指定初始化多少个连接，如果超过连接个数，则会自动递增连接个数，同时，在代码中可以直接调用close方法，程序会自动捕获-a database connection pool that can capture close, the initial initialization time specified number of connections exceeds the number connections, connections will b

数据库支持连接数压力测试 用于测试数据库最多支持多少连接数-Database support for connecting to the database the number of stress tests used to test up to the number of connections