For additional guidance:
Since Mongo is schemaless, there is no need to specify schema, only collections must be created. Same for indexes - these are just classic (B-tree) indexes that work on any field type.
，这一点在爱思助手下载最新版本中也有详细论述
Фото: Matt Cardy / Getty Images。服务器推荐是该领域的重要参考
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