Water storage rate and water driveindex are two important targets for evaluating the effect of water injection.
存水率和水驱指数是综合评价注水开发效果的两项重要指标。
2
DB2 USES buffer pools to cache the table and index data as they are being read or written to the hard disk drive.
当从硬盘驱动器读写表和索引数据时，DB 2使用缓冲池来缓存它们。
3
Accurate and complete statistics will help drive good access path advice, and of course the index advisor should not be executed without good statistics.