Which three statements are true about System Global Area (SGA)?
A.
SGA contains shared memory structures for all Oracle processes running on a single server.
B.
Each server process has its own SGA.
C.
SGA is allocated automatically when a database is started.
D.
SGA is used to speed up queries by caching data blocks, program data, information about database
objects, and query results
E.
SGA is allocated automatically when a database is mounted.
F.
SGA is read and written by server and background processes.