How to check the hash join type in a query execution plan ?
1)In-memory hash join
In build phase table fit completely in memory.<o:p></o:p>
2) Grace hash join
In build phase table does not fit completely in memory and spans to disk.<o:p></o:p>
3) Recursive hash join
In build phase table is very large and have to use many levels of merge joins.<o:p></o:p>