Memory Management Methods
Instance |
SGA |
PGA |
Description |
Initialization Parameters |
Auto |
n/a |
n/a |
The database tunes the size of the instance based on a single instance target size. |
You set:
|
n/a |
Auto |
Auto |
The database automatically tunes the SGA based on an SGA target. The database automatically tunes the PGA based on a PGA target. |
You set:
|
n/a |
Auto |
Manual |
The database automatically tunes the SGA based on an SGA target. You control the PGA manually, setting the maximum work area size for each type of SQL operator. |
You set:
|
n/a |
Manual |
Auto |
You control the SGA manually by setting individual component sizes. The database automatically tunes the PGA based on a PGA target. |
You set:
|
n/a |
Manual |
Manual |
You must manually configure SGA component sizes. You control the PGA manually, setting the maximum work area size for each type of SQL operator. |
You must manually configure SGA component sizes. You set:
|