第 67 题 (单选题)： Your database instance is started with an SPFIL.A PFILE is also available You execute this command.ALTER SYSTEM SET DB CACHE_SIZE=100K Where is the value changed?

A. in the SPFILE and PFTIE. B. in the SPFILE, PFILE, and memory . C. only in the SPFILE. D. in the SPFILE and in memory . E. only in memory 显示答案