Tuning
- Performance Degradation Issue When Using Two or More OR Operators in Multi-Row Subqueries
- Internal Error [Code: OPT_D2OF2J] Occurs When Performing Hierarchical Query
- Index Fast Full Scan Occurrence (When Index Name is Not Specified)
- Difference in Hash Values of the Same Plan According to NLS Parameter Values
- Parallel Processing of _OPT_PGROUPBY_PUSH_RATIO Parameter
- DB DOWN Due to Excessive Fd Usage
- Issue with IN โ EXISTS Conversion Not Possible Despite GROUP Condition