30.請選擇一個正確的 SQL 語法?(A)update dt set a=1 where b>1(B)update dt let a=1 where b>1(C)update from dt set
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30.請選擇一個正確的 SQL 語法? (A)update dt set a=1 where b>1 (B)update dt let a=1 where b>1 (C)update from dt set a=1 where b>1 (D)update from dt let a=1 where b>1