单项选择题
A.ORACLE启动时设置的环境参数 B.数据库版本 C.数据文件信息 D.表与索引等段信息
A.db_block_size B.hash_area_size C.Shared_pool_size D.large_pool_size
A.alter tablespace tablespacename add datafile datafilename… B.create tablespace tablespacename datafile datafilename… C.alter tablespace tablespacename datafile datafilename… D.alter tablespace add datafile datafilename…
A.create user userid identified bypwd B.create user userid identified by"pwd" C.create user userid identified"pwd" D.create user userid by"pwd"
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