Which statements regarding the server parameter file （SPFILE） are true（）
A
An SPFILE is a binary file.
B
An SPFILE cannot reside on a client.
C
An SPFILE cannot contain static parameters.
D
An SPFILE can store changes persistently across instance restarts.
E
An SPFILE can be read by the database server， but it is not written to by the server.
F
An SPFILE must be created manually， before creating a database， even if you use the DatabaseConfiguration Assistant （DBCA） to create the database

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