By Franck Pachot . On datawarehouse databases, I frequently recommend increasing the level of dynamic sampling because: Queries have complex predicates with AND, OR, IN(), ranges and correlated values for which the optimizer cannot estimate the cardinality properly Queries are(…)
![Thumbnail [180x180]](https://www.dbi-services.com/blog/wp-content/uploads/2022/12/oracle-square.png)