Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
在SQL Server 和 Oracle 中都可以通过查看SQL的执行计划，来分析是否使用全表扫描、加索引，
那么mongodb是否也同样可以通过查看执行计划来分析性能情况，如果也有，可否具体说明下？
.explain()
与 萌阔论坛 的连接断开，我们正在尝试重连，请耐心等待
