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MongoDB-Polymorphic patterns constructed using patterns

2025-04-08 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >

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This article is about MongoDB-polymorphic patterns built using patterns. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Brief description:

When all documents in a collection have a similar but different structure, we call it a polymorphic pattern

Example:

User posts are needed in the actual business, and the general structure of the posts is the same, but the specific content is different according to the needs of different post types. Therefore, it is more appropriate to use polymorphic mode at this time. All posts and their contents can be obtained from a single query, which improves the performance. As shown below:

Summary:

Polymorphic patterns are used when documents have more similarities than differences. A typical use case for this pattern design is:

Single view application content management mobile application product catalog

Polymorphic patterns provide an easy-to-implement design that allows queries to be made in a single collection. It is also mongodb's schema-free design that provides a convenient data-building feature.

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