![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
You set the following parameters in the parameter file and restarted the database: Which two statements are true regarding these parameters after the database instance is restarted?()
A.
The MEMORY_MAX_TARGET parameter is automatically set to 500 MB
B.
The value of the MEMORY_MAX_TARGET parameter remains zero till it is changed manually
C.
The PGA_AGGREGATE_TARGET and SGA_TARGET parameters are automatically set to zero
D.
The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively