單項(xiàng)選擇題以下哪項(xiàng)屬于DDL操作()

A.update
B.create
C.insert
D.delete


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1.單項(xiàng)選擇題按照姓名升序序排列()

A.ORDER BY NAME ASC
B.ORDER BY ASC NAME
C.ORDER BY NAME DESC
D.ORDER BY DESC NAME

2.單項(xiàng)選擇題以下哪項(xiàng)是不屬于DML操作()

A.insert
B.update
C.delete
D.create

4.單項(xiàng)選擇題返回字符串長(zhǎng)度的函數(shù)是()

A.len()
B.length()
C.left()
D.long()

5.單項(xiàng)選擇題存儲(chǔ)過程是一組預(yù)先定義并()的Transact-SQL語(yǔ)句

A.保存
B.編寫
C.編譯
D.解釋