Does mongodb need to build multiple tables?

  mongodb, question

The requirement now is that each user has some itemsprojects, the project has a classificationtags.

According to mysql, the method should be to build 3 tables, a user table, an item table, a classification table, and then foreign keys or something.

If it is mongo, is a watch enough?

{
 username: '',
 u_id: '132342131',
 projects: [
 {
 tags: 'editor',
 p_id: ['12312334','123345213','2352321313']
 },
 {
 tags: 'blogs',
 p_id: ['12312334','123345213','2352321313']
 }
 ]
 }

Beginners mongo, don’t hesitate to comment.

I think one table is enough for your situation.mongodbAfter all, it is a document database, and the stored data has high expansibility. Of course, you can leave if you want. For reference only

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