多选题Which three statements are characteristic of the MEMORY storage engine?（）AIt can support transactionsBTable contents are not saved if the server is restartedCIt cannot contain text or BLOB columnsDIt can support foreign keysEEach table is represented on disk as an.frm fileFEach table has a corresponding.MYI and .MYD file
多选题
Which three statements are characteristic of the MEMORY storage engine?（）
A
It can support transactions
B
Table contents are not saved if the server is restarted
C
It cannot contain text or BLOB columns
D
It can support foreign keys
E
Each table is represented on disk as an.frm file
F
Each table has a corresponding.MYI and .MYD file
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