单选题Which of the following will begin a new unit of work?（）AThe CONNECT statementBThe first FETCH of a cursorCThe BEGIN TRANSACTION statementDThe first executable SQL statement
单选题
Which of the following will begin a new unit of work?（）
A
The CONNECT statement
B
The first FETCH of a cursor
C
The BEGIN TRANSACTION statement
D
The first executable SQL statement
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