121. You want to create a new optimized database for your transactional production environment to be used by a financial application. While creating the database, you want the Oracle software to take care of all basic settings to optimize the databas…
1. Because of a power outage,instance failure has occurred. From what point in the redo log does recovery begin and where does it end?A. Current redo log and inactive redo logB. Checkpoint position to end of redo logC. Beginning of redo log to end of…
描述 本篇文章主要讲解 : (1)OO设计OCP原则: (2)依赖注入引入 (3)依赖注入分析 (4)依赖注入种类 1 内容区 1.1 IOC背景 (1)Ralph E. Johnson & Brian Foote 论文 <Designing Reusable Classes> 早在1988年,Ralph E. Johnson & Brian Foote在论文Designing Reusable Classes中写到: One important characteris…