SQL Server Maximum rows that can be inserted in a single insert statment

Question

I want to do a batch insert, similar to this question

How to do a batch insert in MySQL

1. What is the limitation is SQL Server on how many rows can b

Answer 1

Although the max is 1000, it's been demonstrated that performance begins to diminish at much smaller numbers. Eugene Philipov wrote a great article exploring this very topic:

https://www.red-gate.com/simple-talk/sql/performance/comparing-multiple-rows-insert-vs-single-row-insert-with-three-data-load-methods/

To summarize, the author did some very well-designed experimenting and found a sweet spot at around 25. YMMV.