The cache performs these integrity checks to ensure that an assembly has not been tampered with , for example , when a file has changed but the manifest does not reflect the change 缓存执行这些完整性检查以确保程序集未被篡改（例如，当文件已更改但清单未反映此更改时） 。
2.
If you must run several parameterized queries in interleaved manner , you can create several command objects , each caching the execution plan for a parameterized query 如果必须交替运行多个参数化查询，则可以创建几个命令对象，每个命令对象都包含一个参数化查询的缓存执行计划。
