在表中使用identity列时,每张表只允许有() identity列。
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My company develops medicines.
A. Wayne Muller.
B. Thomas Esser.
C. Hideki Tamaguchi.
I would hate to work for a big comopany.
A. Wayne Muller.
B. Thomas Esser.
C. Hideki Tamaguchi.
I will be working in the R & D department next month.
A. Wayne Muller.
B. Thomas Esser.
C. Hideki Tamaguchi.
Everyone is friendly and I enjoy my job.
A. Wayne Muller.
B. Thomas Esser.
C. Hideki Tamaguchi.