（多选题）
Which two statements about the SQL Management Base （SMB） are true？（）
A It contains only SQL profiles generated by SQL Tuning Advisor.
B It stores plans generated by the optimizer using a stored outline.
C It is part of the data dictionary and stored in the SYSAUX tablespace.
D It is part of the data dictionary and stored in the SYSTEM tablespace.
E It contains the statement log，the plan history，plan baselines，and SQL profiles.
正确答案
答案解析
略
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