<ul><li>AddAsync() in EF Core does not talk to the database directly but tracks new entities for later insertion.</li><li>The main reason for using AddAsync() is for async value generation, such as generating unique IDs.</li><li>Using synchronous Add() can lead to blocking threads, affecting throughput in busy applications.</li><li>AddAsync() is recommended for scenarios involving custom async value generators, async-first apps, and high-scale services.</li></ul>

The Truth About AddAsync: When to Use It in EF Core (and When Not To)

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