Скачать или смотреть The cool feature you can NOT use with Multi-Table insert.

Loading hierarchical data (for example, from JSON) into a relational data structure might mean loading from a single source into multiple destination tables. It would be crazy to do multiple passes through the source data, so a multi-table insert is a perfect solution! But it is important to be aware of the implications of set processing and referential integrity if you head down this route...

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