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Consider the following:Which statement best describes the meaning of the value for the key_len column?()

A.It shows the total size of the index row

B.It shows how many columns in the index are examined

C.It shows the number of characters indexed in the key

D.It shows how many bytes will be used from each index row


参考答案

更多 “ Consider the following:Which statement best describes the meaning of the value for the key_len column?() A.It shows the total size of the index rowB.It shows how many columns in the index are examinedC.It shows the number of characters indexed in the keyD.It shows how many bytes will be used from each index row ” 相关考题
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