Oracle performance adjustment is not so easy

It is not that easy to make a qualified oracledba. It is quite difficult to distinguish the Problem and Its Solution correctly.

According to the data provided by the customer, it may be helpful, but after analysis by the DBA, it is confirmed that the data is of little practical significance. And it may be misleading.

For example, indexing may not always improve efficiency, because it takes a lot of time to maintain indexes. However, it is certain that, if there are a lot of queries, it is certainly no problem to create the relevant indexes.

The performance adjustment of Oracle is not so simple as to adjust the memory, but needs to be fully considered and analyzed. Learning ......