diff --git a/README.md b/README.md index 9ea3287..98749b4 100644 --- a/README.md +++ b/README.md @@ -438,6 +438,8 @@ SELECT ... COMMIT; ``` +Also, if the table is small, a table scan may be faster. + #### Why isn’t a query using a parallel table scan? The planner doesn’t consider [out-of-line storage](https://www.postgresql.org/docs/current/storage-toast.html) in cost estimates, which can make a serial scan look cheaper. You can reduce the cost of a parallel scan for a query with: