Lab: MongoDB Indexing实验：MongoDB 索引

After completing this lab, you will be able to:
完成此实验后，您将能够：

• Measure the time it takes to execute a query with the explain function
  使用 explain 函数测量执行查询所需的时间
• Describe the process of creating, listing and deleting indexes
  描述创建、列出和删除索引的过程
• Evaluate the effectiveness of an index
  评估索引的有效性

📄 MongoDB Indexing.pdf