INSERT INTO SELECT Deadlock
Can Inserting into a Table with a SELECT from the Same Table Cause Deadlocking? Yes, inserting into a table using a SELECT statement from the same table in SQL Server can cause deadlocking if run in multiple sessions concurrently. This is due to resource contention between reading and writing operations on the same table. Below is a detailed explanation. Why Deadlocking Can Occur Locking Behavior The SELECT statement typically acquires shared locks (S) on the rows or pages it reads …