强制锁是可用范围很广，但它不是通用的；linux和基于System V的系统支持这种锁，但其他的类unix系统不支持它。
Mandatory locks are widely available, but not universally. Linux and system V-based systems support them, but some other UNIX-like systems don't.
SET OPTIMIZATION ENVIRONMENT star_join语句可用来启用、禁用或强制星型连接计划用于当前会话的所有查询。
The SET OPTIMIZATION ENVIRONMENT STAR_JOIN statement can be used to enable, disable, or force star join plans for all queries in the current session.
Word XP及此后版本提供了“打开并修复”选项，可用来强制Word进行修复尝试。
Word XP and later offer an Open and Repair option, which you can use to force Word to attempt a recovery.
应用推荐