This is related to simple tips for Performance Tuning in Oracle. But those tips may have a huge effect on big databases that have millions of records in a table. ...
Oracle Uses this merging mechanism to merge large datasets. Hash Join in Oracle is effective when a dataset is fit to the memory. Optimizers choose this joining method when two ...
Getting better performance depends on different conditions. But performance tuning in Oracle is one major condition. Hardware problems, Network problems, Configuration problems, and bad Coding problems also hit the performance ...